14 CFR §1221.112

1. (a)Official NASA Program Identifiers will be restricted to the uses set forth in this section and to such other uses as the Associate Administrator for Communications may specifically approve.
2. (b)Specific approval is given for the following uses:
   1. (1)Use of exact reproductions of a badge in the form of a patch made of cloth or other material, or a decal, or a gummed sticker on articles of wearing apparel and personal property items; and
   2. (2)Use of exact renderings of a badge on a coin, medal, plaque, or other commemorative souvenirs.
3. (c)The manufacture and sale or free distribution of identifiers for the uses approved or that may be approved under paragraphs (a) and (b) of this section are authorized.
4. (d)Portrayal of an exact reproduction of a badge in conjunction with the advertising of any product or service will be approved on a case-by-case basis by the Associate Administrator for Public Affairs.
5. (e)The manufacture, sale, or use of any colorable imitation of the design of an official NASA Program Identifier will not be approved.