Regulation (EC) No 853/2004 of the European Parliament and of the CouncilShow full title
Regulation (EC) No 853/2004 of the European Parliament and of the Council of 29 April 2004 laying down specific hygiene rules for food of animal origin
[2. For the purpose of this section, ‘ tanning ’ means the hardening of hides, using vegetable tanning agents, chromium salts or other substances such as aluminium salts, ferric salts, silicic salts, aldehydes and quinones, or other synthetic hardening agents.] U.K.