Appeals from size determinations and NAICS code designations may be filed with OHA by the following, as applicable:
Any person adversely affected by a size determination;
Any person adversely affected by a NAICS code designation. However, with respect to a particular sole source 8(a) contract, only the Director, Office of Business Development may appeal a NAICS code designation;
The Associate or Assistant Administrator for the SBA program involved, through SBA's Office of General Counsel; or
The procuring agency contracting officer responsible for the procurement affected by a size determination.