2026 FALL OPEN SEASON
\n\nUpdate September 15, 2026
\n\nIn support of the Main Bus Program, the General Services Administration (GSA) is issuing the following update regarding the 2026 Fall Open Season.
\n
\nAmendment 0005 to Solicitation No. 47QMCA24R0006 has been issued. The following documents are incorporated into the solicitation through this amendment:
Offerors are responsible for reviewing Amendment 0005 and all incorporated documents in their entirety. All other solicitation terms and conditions remain unchanged unless expressly modified by the amendment.
\n\nUpdate July 22, 2026
\n\nIn support of the Main Bus Program, GSA is providing the following updates for the 2026 Fall Open Season:
\n\nThe following attachment is hereby incorporated into this posting:
\n\nVendors and potential offerors wishing to view the conference recording must first obtain a GSA Affiliated Customer Account (GACA) to gain access. Instructions for obtaining a GACA are attached to this notice. Once approved, offerors may access the recording at the following link: https://drive.google.com/file/d/1EFgMXYbP8wJ-YLYkDUjkEVuvG-sxBEpW/view?usp=sharing (If the link does not open directly, copy and paste the address into your web browser).
\n\nJuly 14, 2026
\n
\nIn support of the 2025 Main Bus Program, GSA is announcing the FY26 Fall Open Season period for existing contractors to submit New Model Year (NMY) updates to awarded line items and for prospective offerors to provide proposals.
Important Dates:
\n\nGSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows:
\n
\n2026 Fall Open Season Industry Day
\nWednesday, July 22 · 10:00 – 11:00 AM Eastern Time
\nGoogle Meet joining information:
\nVideo call link: https://meet.google.com/ukp-fpqh-ojx
\nOr dial: (US) +1 442-666-1370 PIN: 611 355 047#
\nMore phone numbers: https://tel.meet/ukp-fpqh-ojx?pin=9965853018233
The Government intends to make awards based on initial offers. Offerors are therefore encouraged to submit their best pricing and terms with their initial proposal.
\n
\nShould you have any questions regarding the Fall Open Season, please contact the Main Bus Program Contracting Team.
\n
\nNew offerors are strongly encouraged to set up a one-on-one session with the Main Bus Program Contracting Team to discuss the solicitation requirements.
---
\n
\n2026 SPRING OPEN SEASON
\n
\nUpdate March 5, 2026
In support of the Main Bus Program, GSA is providing the following updates for the 2026 Spring Open Season:
\n\n1) Important Dates:
\n\n2) The following attachments are hereby incorporated:
\n\n
\nUpdate February 9, 2026
In support of the Main Bus Program, GSA is announcing the FY26 Spring Open Season for existing contractors to submit new model year (NMY) updates to awarded line items and for current contractors or prospective offerors to propose new models for consideration under the program. GSA will host a virtual Industry Day to provide an overview of the Spring Open Season process.
\n\nImportant Dates:
\n\nGSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows:
\n\n2026 Spring Main Bus Open Season Conference
\nWednesday, March 4 · 1:00 – 2:00 PM Eastern Time America/New York
\nGoogle Meet joining info:
\nVideo call link: https://meet.google.com/ezb-tkii-ymi
\nOr dial: (US) +1 402-862-6277 PIN: 866 095 755#
\nMore phone numbers: https://tel.meet/ezb-tkii-ymi?pin=2377596655151
\n
\n---
\n
\n2025 FALL OPEN SEASON
\n
\nUpdate September 18, 2025
\n
\nIn support of the Main Bus Program, GSA is providing the following update for the FY25 Fall Open Season period.
1) The following attachments are hereby incorporated:
\n\n2) Important Dates are as follows:
\n\nShould vendors or potential offerors wish to view the recording of the conference, please request a GSA Affiliated Customer Account (GACA) to gain access. Instructions for obtaining a GACA are attached to this notice. Once approved, offerors may access the recording at the following link: https://drive.google.com/file/d/11GqYibw76yhxqYfeaCyeiB5f_3dMxW8a/view?usp=drive_link (cut and paste the address into your browser).
\n\nPlease note that both the Bid Intention Period and the Comment Collector periods are now closed. No new makes and models will be accepted.
\n\n
\nUpdate July 23, 2025
In support of the Main Bus Program, GSA is providing the following update for the FY25 Fall Open Season period.
\n
\nPlease note that both the Bid Intention Period and the Comment Collector periods are now closed. No new new makes and models will be accepted.
Important Dates:
\n\nGSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows:
\n
\nFY25 Fall Open Season Conference | OCONUS, Main Bus, Transit Bus
\nWednesday, September 17 · 9:00 – 10:30am Eastern Time
\n
\nGoogle Meet joining info:
\nVideo call link: https://meet.google.com/paf-deya-kad
\nOr dial: (US) +1 267-553-4614 PIN: 600 661 238#
\nMore phone numbers: https://tel.meet/paf-deya-kad?pin=3859887371943
Should you have any questions, please contact your contracting team.
\n\n
\nMay 27, 2025
\n
\nIn support of the Main Bus Program, GSA is announcing the FY25 Fall Open Season period for existing contractors to submit new model year (NMY) updates to awarded line items and for current contractors or prospective offerors to propose new models for consideration under the program. GSA will host a virtual Industry Day to provide an overview of the Fall Open Season process.
The purpose of this message is to call your attention to a new process and industry engagement period intended to streamline and improve the Open Season experience:
\n\nComment Collector Period – Contractors will have the opportunity to review and provide feedback on applicable Federal Vehicle Standards.
\n\tBid Intention Submission – Contractors will be asked to indicate which existing and new makes and models they intend to submit.
\n\tPlease note: Bid Intention Period will be the only opportunity to propose new makes and models.
\n\nImportant Dates:
\n\nWe will provide additional details as they become available.
\n
\n---
2025 SPRING OPEN SEASON
\n
\nUpdate March 31, 2025
\n
\nOpen Season Bid closing dates are hereby updated as follows:
\n
\nOpen Season Bid Closes in GSAFleet.gov: April 4, 2025 at 12pm Eastern Time
\nSupplemental Documents Due (if applicable): April 4, 2025 at 12pm Eastern Time
\n
\nUpdate March 5, 2025
\n
\nGSA is providing the following updates in support of the 2025 Spring Open Season:
\n
\n1) Thank you for your attendance at the Open Season Industry Day Conference held on March 3, 2025. Should vendors or potential offerors wish to view the recording of the conference, please request a GSA Affiliated Customer Account (GACA) to gain access. Instructions for obtaining a GACA are attached. Once approved, offerors may access the recording at the following link: https://drive.google.com/file/d/11CEAbOX_5btrD_YwVVVzL374mOoI2QGM/view (cut and paste the address into your browser).
2) GSA has added the following attachments in support of this Open Season:
\n\nNote: Open season submissions will be evaluated in accordance with the terms and conditions located in Section C - Open Season of the respective contracts. All price increases shall be subject to review and approval. Increases in pricing for currently awarded models that cannot be justified will not be considered fair and reasonable. Price changes will be considered for the next model year vehicles, and new models that were not previously awarded, as well as any changes in the initial basis of award that includes new equipment, engines and optional equipment that has become standard equipment.
\n
\nFebruary 24, 2025:
Under solicitation 47QMCA24R0006, 2025 Main Bus Program, GSA is announcing the FY25 Spring Open Season period for existing contractors to provide new model year (NMY) information on awarded line items, as well as for existing contractors or new interested offerors to propose new models under the program. Please see the attached Special Notice for full details. GSA will hold a virtual Industry Day on Monday, March 3, from 9:00am – 10:00am Eastern Standard Time (EST) to go over the Open Season process. All interested parties should attend.
\n\nImportant Dates:
\n
\nOpen Season Industry Day w/ Vendors: March 3, 2025
\nGSAFleet.gov Account Requests Due: March 3, 2025
\nOpen Season Bid Opens in GSAFleet.gov: March 3, 2025
\nOpen Season Bid Closes in GSAFleet.gov: March 31, 2025 at 12pm Eastern Standard Time
\nSupplemental Documents Due (if applicable): March 31, 2025 at 12pm Eastern Standard Time
\n
\nSpring Open Season Conference | OCONUS & Main Bus
\nMonday, March 3 · 09:00 – 10:00
\nTime zone: America/New_York
\nGoogle Meet joining info
\nVideo call link: https://meet.google.com/paf-deya-kad
\nOr dial: (US) +1 267-553-4614 PIN: 600 661 238#
\nMore phone numbers: https://tel.meet/paf-deya-kad?pin=3859887371943
\n
\n---
October 7, 2024:
\n\nUPDATE October 7, 2024 - Note the due date for Bid2 documentation and FPR responses, scheduled to close today at 4pm EDT, is extended until Wednesday, October 9, 2024 4pm EDT. (No new offers will be accepted).
\n\n**************************
\n\nSeptember 25, 2024:
\n\nUPDATE September 25, 2024 - AMENDMENT #004 TO THE FINAL SOLICITATION AND ATTACHMENTS (3) ADDED. Note the due date for offers is not extended from August 13, 2024 (No new offers).
\n\n**************************
\n\nAugust 2, 2024:
\n\nUPDATE August 2, 2024 - AMENDMENT #003 TO THE FINAL SOLICITATION AND ATTACHMENTS (3) ADDED. Note the due date for offers is not extended from August 13, 2024.
\n\n**************************
\n\nJuly 26, 2024:
\n\nUPDATE July 26, 2024 - AMENDMENT #002 TO THE FINAL SOLICITATION AND ATTACHMENTS (3) ADDED. Note the due date for offers is extended from July 30, 2024 to August 13, 2024.
\n\n**************************
\n\nJuly 3, 2024:
\n\nUPDATE July 3, 2024 - AMENDMENT #001 TO THE FINAL SOLICITATION AND ATTACHMENTS (4) ADDED
\n\n**************************
\n\nJune 18, 2024:
\n\nUPDATE June 18, 2024 - FINAL SOLICITATION AND ATTACHMENTS ADDED
\n\n**************************
\n\nJune 11, 2024:
\n\nUPDATE JUNE 11, 2024 - PRE-PROPOSAL CONFERENCE DOCUMENTS ADDED
\n\nTwo attachments have been added to this SAM.gov notification - the slidedeck of the conference held today and the request for a GSAFleet.gov account.
\n\n**************************
\n\nMay 13, 2024:
\n
\nGSA will hold a virtual Pre-Proposal Conference to review solicitation instructions as well as a take questions and feedback from industry. All interested parties should plan on attending.
\n
\nVirtual Conference details and access instructions are as follows:
\n
\n2025 Main Bus Program Pre-Proposal Conference
\nMonday, June 10 · 11:00am – 12:00pm
\nTime zone: America/New_York
\nGoogle Meet joining info
\nVideo call link: https://meet.google.com/jpj-jpva-eud
\nOr dial: (US) +1 401-646-2406 PIN: 361 241 080#
\nMore phone numbers: https://tel.meet/jpj-jpva-eud?pin=6929567684728
Please let us know if you have any questions or concerns.
\n
\n**************************
\nMay 10, 2024:
\n
\nGSA is accepting industry feedback, questions, and comments on the attached DRAFT solicitation document and the associated attachments. This DRAFT solicitation will be posted until June 10, 2024. GSA intends to post the official solicitation document on June 17, 2024. GSA will accept and review industry feedback, questions, and comments at any time during this phase. Note that the Comment Collector period for this Program closed today.
2026 FALL OPEN SEASON
\n\nUpdate September 15, 2026
\n\nIn support of the Main Bus Program, the General Services Administration (GSA) is issuing the following update regarding the 2026 Fall Open Season.
\n
\nAmendment 0005 to Solicitation No. 47QMCA24R0006 has been issued. The following documents are incorporated into the solicitation through this amendment:
Offerors are responsible for reviewing Amendment 0005 and all incorporated documents in their entirety. All other solicitation terms and conditions remain unchanged unless expressly modified by the amendment.
\n\nUpdate July 22, 2026
\n\nIn support of the Main Bus Program, GSA is providing the following updates for the 2026 Fall Open Season:
\n\nThe following attachment is hereby incorporated into this posting:
\n\nVendors and potential offerors wishing to view the conference recording must first obtain a GSA Affiliated Customer Account (GACA) to gain access. Instructions for obtaining a GACA are attached to this notice. Once approved, offerors may access the recording at the following link: https://drive.google.com/file/d/1EFgMXYbP8wJ-YLYkDUjkEVuvG-sxBEpW/view?usp=sharing (If the link does not open directly, copy and paste the address into your web browser).
\n\nJuly 14, 2026
\n
\nIn support of the 2025 Main Bus Program, GSA is announcing the FY26 Fall Open Season period for existing contractors to submit New Model Year (NMY) updates to awarded line items and for prospective offerors to provide proposals.
Important Dates:
\n\nGSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows:
\n
\n2026 Fall Open Season Industry Day
\nWednesday, July 22 · 10:00 – 11:00 AM Eastern Time
\nGoogle Meet joining information:
\nVideo call link: https://meet.google.com/ukp-fpqh-ojx
\nOr dial: (US) +1 442-666-1370 PIN: 611 355 047#
\nMore phone numbers: https://tel.meet/ukp-fpqh-ojx?pin=9965853018233
The Government intends to make awards based on initial offers. Offerors are therefore encouraged to submit their best pricing and terms with their initial proposal.
\n
\nShould you have any questions regarding the Fall Open Season, please contact the Main Bus Program Contracting Team.
\n
\nNew offerors are strongly encouraged to set up a one-on-one session with the Main Bus Program Contracting Team to discuss the solicitation requirements.
---
\n
\n2026 SPRING OPEN SEASON
\n
\nUpdate March 5, 2026
In support of the Main Bus Program, GSA is providing the following updates for the 2026 Spring Open Season:
\n\n1) Important Dates:
\n\n2) The following attachments are hereby incorporated:
\n\n
\nUpdate February 9, 2026
In support of the Main Bus Program, GSA is announcing the FY26 Spring Open Season for existing contractors to submit new model year (NMY) updates to awarded line items and for current contractors or prospective offerors to propose new models for consideration under the program. GSA will host a virtual Industry Day to provide an overview of the Spring Open Season process.
\n\nImportant Dates:
\n\nGSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows:
\n\n2026 Spring Main Bus Open Season Conference
\nWednesday, March 4 · 1:00 – 2:00 PM Eastern Time America/New York
\nGoogle Meet joining info:
\nVideo call link: https://meet.google.com/ezb-tkii-ymi
\nOr dial: (US) +1 402-862-6277 PIN: 866 095 755#
\nMore phone numbers: https://tel.meet/ezb-tkii-ymi?pin=2377596655151
\n
\n---
\n
\n2025 FALL OPEN SEASON
\n
\nUpdate September 18, 2025
\n
\nIn support of the Main Bus Program, GSA is providing the following update for the FY25 Fall Open Season period.
1) The following attachments are hereby incorporated:
\n\n2) Important Dates are as follows:
\n\nShould vendors or potential offerors wish to view the recording of the conference, please request a GSA Affiliated Customer Account (GACA) to gain access. Instructions for obtaining a GACA are attached to this notice. Once approved, offerors may access the recording at the following link: https://drive.google.com/file/d/11GqYibw76yhxqYfeaCyeiB5f_3dMxW8a/view?usp=drive_link (cut and paste the address into your browser).
\n\nPlease note that both the Bid Intention Period and the Comment Collector periods are now closed. No new makes and models will be accepted.
\n\n
\nUpdate July 23, 2025
In support of the Main Bus Program, GSA is providing the following update for the FY25 Fall Open Season period.
\n
\nPlease note that both the Bid Intention Period and the Comment Collector periods are now closed. No new new makes and models will be accepted.
Important Dates:
\n\nGSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows:
\n
\nFY25 Fall Open Season Conference | OCONUS, Main Bus, Transit Bus
\nWednesday, September 17 · 9:00 – 10:30am Eastern Time
\n
\nGoogle Meet joining info:
\nVideo call link: https://meet.google.com/paf-deya-kad
\nOr dial: (US) +1 267-553-4614 PIN: 600 661 238#
\nMore phone numbers: https://tel.meet/paf-deya-kad?pin=3859887371943
Should you have any questions, please contact your contracting team.
\n\n
\nMay 27, 2025
\n
\nIn support of the Main Bus Program, GSA is announcing the FY25 Fall Open Season period for existing contractors to submit new model year (NMY) updates to awarded line items and for current contractors or prospective offerors to propose new models for consideration under the program. GSA will host a virtual Industry Day to provide an overview of the Fall Open Season process.
The purpose of this message is to call your attention to a new process and industry engagement period intended to streamline and improve the Open Season experience:
\n\nComment Collector Period – Contractors will have the opportunity to review and provide feedback on applicable Federal Vehicle Standards.
\n\tBid Intention Submission – Contractors will be asked to indicate which existing and new makes and models they intend to submit.
\n\tPlease note: Bid Intention Period will be the only opportunity to propose new makes and models.
\n\nImportant Dates:
\n\nWe will provide additional details as they become available.
\n
\n---
2025 SPRING OPEN SEASON
\n
\nUpdate March 31, 2025
\n
\nOpen Season Bid closing dates are hereby updated as follows:
\n
\nOpen Season Bid Closes in GSAFleet.gov: April 4, 2025 at 12pm Eastern Time
\nSupplemental Documents Due (if applicable): April 4, 2025 at 12pm Eastern Time
\n
\nUpdate March 5, 2025
\n
\nGSA is providing the following updates in support of the 2025 Spring Open Season:
\n
\n1) Thank you for your attendance at the Open Season Industry Day Conference held on March 3, 2025. Should vendors or potential offerors wish to view the recording of the conference, please request a GSA Affiliated Customer Account (GACA) to gain access. Instructions for obtaining a GACA are attached. Once approved, offerors may access the recording at the following link: https://drive.google.com/file/d/11CEAbOX_5btrD_YwVVVzL374mOoI2QGM/view (cut and paste the address into your browser).
2) GSA has added the following attachments in support of this Open Season:
\n\nNote: Open season submissions will be evaluated in accordance with the terms and conditions located in Section C - Open Season of the respective contracts. All price increases shall be subject to review and approval. Increases in pricing for currently awarded models that cannot be justified will not be considered fair and reasonable. Price changes will be considered for the next model year vehicles, and new models that were not previously awarded, as well as any changes in the initial basis of award that includes new equipment, engines and optional equipment that has become standard equipment.
\n
\nFebruary 24, 2025:
Under solicitation 47QMCA24R0006, 2025 Main Bus Program, GSA is announcing the FY25 Spring Open Season period for existing contractors to provide new model year (NMY) information on awarded line items, as well as for existing contractors or new interested offerors to propose new models under the program. Please see the attached Special Notice for full details. GSA will hold a virtual Industry Day on Monday, March 3, from 9:00am – 10:00am Eastern Standard Time (EST) to go over the Open Season process. All interested parties should attend.
\n\nImportant Dates:
\n
\nOpen Season Industry Day w/ Vendors: March 3, 2025
\nGSAFleet.gov Account Requests Due: March 3, 2025
\nOpen Season Bid Opens in GSAFleet.gov: March 3, 2025
\nOpen Season Bid Closes in GSAFleet.gov: March 31, 2025 at 12pm Eastern Standard Time
\nSupplemental Documents Due (if applicable): March 31, 2025 at 12pm Eastern Standard Time
\n
\nSpring Open Season Conference | OCONUS & Main Bus
\nMonday, March 3 · 09:00 – 10:00
\nTime zone: America/New_York
\nGoogle Meet joining info
\nVideo call link: https://meet.google.com/paf-deya-kad
\nOr dial: (US) +1 267-553-4614 PIN: 600 661 238#
\nMore phone numbers: https://tel.meet/paf-deya-kad?pin=3859887371943
\n
\n---
October 7, 2024:
\n\nUPDATE October 7, 2024 - Note the due date for Bid2 documentation and FPR responses, scheduled to close today at 4pm EDT, is extended until Wednesday, October 9, 2024 4pm EDT. (No new offers will be accepted).
\n\n**************************
\n\nSeptember 25, 2024:
\n\nUPDATE September 25, 2024 - AMENDMENT #004 TO THE FINAL SOLICITATION AND ATTACHMENTS (3) ADDED. Note the due date for offers is not extended from August 13, 2024 (No new offers).
\n\n**************************
\n\nAugust 2, 2024:
\n\nUPDATE August 2, 2024 - AMENDMENT #003 TO THE FINAL SOLICITATION AND ATTACHMENTS (3) ADDED. Note the due date for offers is not extended from August 13, 2024.
\n\n**************************
\n\nJuly 26, 2024:
\n\nUPDATE July 26, 2024 - AMENDMENT #002 TO THE FINAL SOLICITATION AND ATTACHMENTS (3) ADDED. Note the due date for offers is extended from July 30, 2024 to August 13, 2024.
\n\n**************************
\n\nJuly 3, 2024:
\n\nUPDATE July 3, 2024 - AMENDMENT #001 TO THE FINAL SOLICITATION AND ATTACHMENTS (4) ADDED
\n\n**************************
\n\nJune 18, 2024:
\n\nUPDATE June 18, 2024 - FINAL SOLICITATION AND ATTACHMENTS ADDED
\n\n**************************
\n\nJune 11, 2024:
\n\nUPDATE JUNE 11, 2024 - PRE-PROPOSAL CONFERENCE DOCUMENTS ADDED
\n\nTwo attachments have been added to this SAM.gov notification - the slidedeck of the conference held today and the request for a GSAFleet.gov account.
\n\n**************************
\n\nMay 13, 2024:
\n
\nGSA will hold a virtual Pre-Proposal Conference to review solicitation instructions as well as a take questions and feedback from industry. All interested parties should plan on attending.
\n
\nVirtual Conference details and access instructions are as follows:
\n
\n2025 Main Bus Program Pre-Proposal Conference
\nMonday, June 10 · 11:00am – 12:00pm
\nTime zone: America/New_York
\nGoogle Meet joining info
\nVideo call link: https://meet.google.com/jpj-jpva-eud
\nOr dial: (US) +1 401-646-2406 PIN: 361 241 080#
\nMore phone numbers: https://tel.meet/jpj-jpva-eud?pin=6929567684728
Please let us know if you have any questions or concerns.
\n
\n**************************
\nMay 10, 2024:
\n
\nGSA is accepting industry feedback, questions, and comments on the attached DRAFT solicitation document and the associated attachments. This DRAFT solicitation will be posted until June 10, 2024. GSA intends to post the official solicitation document on June 17, 2024. GSA will accept and review industry feedback, questions, and comments at any time during this phase. Note that the Comment Collector period for this Program closed today.