Any person taking any wildlife who fails or refuses upon demand of any person authorized to enforce the provisions of this act to produce his proper license if a license is required for the wildlife taken, is prima facie evidence of taking the particular wildlife without a license.
Wyo. Stat. Ann. § 23-6-110
Refusal to display proper license prima facie evidence of guilt
Official source: Wyoming Legislature. Reproduced from public-domain Wyoming statutes; confirm against the official source for the current text. Not legal advice.