Heading
The form title, Appendix A, and the note (Submit with Letter of Intent).
GSA777A
Energy Efficient Commercial Buildings Tax Deduction Certification Consultation with Prime Contractors and Subcontractors - Appendix A
GSA Form 777A, Energy Efficient Commercial Buildings Tax Deduction Certification Consultation with Prime Contractors and Subcontractors, is Appendix A. The footer reads GENERAL SERVICES ADMINISTRATION and GSA 777A 7/2026, and GSA hosts it in its forms library. Its heading says to submit it with the Letter of Intent.
On one page, an authorized representative of the contractor certifies two things about the energy efficient commercial building property for which the contractor is seeking an Energy Efficiency Commercial Buildings Tax Deduction (CBTD) allocation. First, that all other prime contractors that took part in creating the technical specifications for installation were consulted and declined to request an allocation from the U.S. General Services Administration (GSA). Second, that reasonable due diligence found no subcontractors interested in an allocation or compensation for their share of the CBTD. A signature, date, name and title close the form.
The PDF prints no instructions, OMB number or privacy statement, and GSA's page lists no authority or regulation. You can fill it out free in your browser on this page and download the result without an account.

The form title, Appendix A, and the note (Submit with Letter of Intent).
I hereby certify that an authorized representative of the Contractor, named on the line, has done the two things that follow.
All other prime contractors were consulted and declined to request an allocation of the CBTD, or a portion of it, from GSA.
Reasonable due diligence was performed and no subcontractors are interested in an allocation or compensation from the contractor for the value of their share of the CBTD.
Signature, Date, Name and Title.
Enter the contractor's name on the line marked (the Contractor).
Item 1 states that all other prime contractors that helped create the technical specifications were consulted and declined to request an allocation.
Item 2 states that reasonable due diligence was done on subcontractors and none are interested in an allocation or compensation.
The authorized representative signs, dates and enters a name and title.
The heading says to submit the form with the Letter of Intent.
You get the real form, filled in a browser tab, with nothing standing between you and the finished PDF.
The form prints no address. Its heading says to submit it with the Letter of Intent.
The footer reads GENERAL SERVICES ADMINISTRATION and GSA 777A 7/2026. GSA's page gives a current revision date of 07/2026 and lists no authority or regulation.
The PDF prints no instructions, OMB number or privacy statement, and it does not explain how the CBTD allocation works.
The company seeking the CBTD allocation. The form calls it the Contractor and leaves a line for its name.
The certification is made by an authorized representative of the contractor, who signs, dates and prints a name and title.
Item 1 covers all other prime contractors that participated in creating the technical specifications for installation of the property.
Item 2 covers subcontractors who participated in creating those technical specifications.
Item 1 names the U.S. General Services Administration (GSA) as the agency an allocation of the CBTD is requested from.
The form is a certification made for the contractor. Its text names these parties.
The agency’s own page for Form GSA777A.
The official blank form, to print or fill by hand.
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The footer reads GENERAL SERVICES ADMINISTRATION and GSA 777A 7/2026. GSA hosts it in its forms library.
Its heading says (Submit with Letter of Intent). GSA's forms library lists GSA Form 777 as the Energy Efficient Commercial Buildings Tax Deduction Allocation - Letter of Intent.
Item 1 uses CBTD for the Energy Efficiency Commercial Buildings Tax Deduction for which the contractor is seeking an allocation.
That all other prime contractors who helped create the technical specifications were consulted and declined to request an allocation from GSA, and that due diligence found no interested subcontractors.
An authorized representative of the contractor, who also enters the date, a printed name and a title.