[Code of Federal Regulations] [Title 13, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 13CFR121.803] [Page 331] TITLE 13--BUSINESS CREDIT AND ASSISTANCE CHAPTER I--SMALL BUSINESS ADMINISTRATION PART 121_SMALL BUSINESS SIZE REGULATIONS--Table of Contents Subpart A_Size Eligibility Provisions and Standards Sec. 121.803 Are formal size determinations binding on parties? Size determinations by authorized SBA officials are formal actions, based upon a specific patent application pursuant to the rules of the Patent and Trademark Office, Department of Commerce, and are binding upon the parties. Other SBA opinions provided to patent applicants or others are only advisory, and are not binding or appealable.