ANSWER

According to No. 117 (2) of Food Regulations (Sale of Food Act), natamycin may be applied to the rind of a cheese by dipping or by spraying such that the proportion of natamycin in a sample taken from the surface to a depth of less than 5mm, is not greater than 1mg/sq dm.

Reference

Agri-Food & Veterinary Authority of Singapore. (2019). Food Regulations (Sale of Food Act). No. 117 (2).