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The Special Item Number (SIN) and Maximum Order (MO) tables were revised to include all Federal Supply Schedules. In addition, the formatting of the SIN has changed (dashes eliminated) for all merged and new schedules only. Please ensure that you submit the correct Federal Supply Schedule number and SINs exactly as they appear on the SIN/MO table.

Several schedules were merged and the correct schedule number must be submitted will all transactions. A conversion chart is available which indicates the old to new schedule number as well as old to new SIN. Please send an email to: vendor.support@gsa.gov or call (877) 495-4849 to receive a copy of the conversion chart.

Vendors will be able to submit product level information or a text file depending on the type of products or services awarded under contract. The SIN/MO tables now include a SIN type code which indicates what type of file is required.

SIN type and definitions:
P - Products or services offered under this SIN must be submitted in detail (not described in a text file)
A - Products or services offered under this SIN may be submitted in detail or may be described in a text file
T - Products or services offered under this SIN must be submitted in a text file (no product detail)

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