P-29, r. 1 - Regulation respecting food

Full text
10.3.1.2. The employees assigned to the processing or canning of foods must wear:
(1)  work clothes of a light colour that makes soiling evident;
(2)  clean headgear or a clean net that completely covers the hair;
(3)  a clean beard-covering that completely covers the beard, including a narrow beard along the jaw line.
Such clothing must be used exclusively for work in the processing establishment or freshwater products cannery, must be cleaned or washed in such manner as to be clean for the beginning of each workday and must be replaced during the day’s operations when it becomes soiled.
O.C. 1305-93, s. 28.