Business Credit and Assistance. Part121:Small business size regulations. Section121.402:What size standards are applicable to Federal Government Contracting programs?
(a) A concern must not exceed the size standard for the NAICS code specified in the solicitation. The contracting officer must specify the size standard in effect on the date the solicitation is issued. If SBA amends the size standard and it becomes effective before the date initial offers (including price) are due, the contracting officer may amend the solicitation and use the new size standard.