Branding ink, crayons, pencils, and other authorized marking materials used on kosher meat and meat preparations shall be made from harmless ingredients approved by the commissioner. Only purple color shall be used in such marking materials. Where referred to in parts 1550.0650 to 1550.0840, the term "branding ink" shall include all marking materials such as branding ink, crayons, and pencils.
MS s 31.101
September 23, 2013