A guaranty shall not be deemed to have been received in good faith within the meaning of section 10(a) of the Act:

(a) Unless the recipient of such guaranty shall have examined the required label, required invoice and advertisement relating to the fur product or fur so guaranteed;

(b) If the recipient of the guaranty has knowledge that the fur or fur product guaranteed is misbranded, falsely invoiced or falsely advertised.

[26 FR 3188, Apr. 14, 1961]