16 C.F.R. § 301.36 – Sectional fur products.

(a) Where a fur product is composed of two or more sections containing different animal furs the required information with respect to each section shall be separately set forth in labeling, invoicing or advertising; as for example:
Dyed Rabbit Fur origin: France Trimming: Dyed Mouton-processed Lamb Fur origin: Argentina or Body: Dyed Kolinsky Fur origin: Russia Tail: Dyed Mink Fur origin: Canada
(b) The provisions of this section shall not be interpreted so as to require the disclosure of very small amounts of different animal furs added to complete a fur product or skin such as the ears, snoot, or under part of the jaw.