Each menu, as planned and served, shall be filed and retained for one year.
Documentation of the food purchased shall be retained for ninety (90) days.
A three (3) day supply of non-perishable staples shall be maintained on the premises.
A file of each tested recipe, adjusted to appropriate yield, shall be maintained and used by each employee who prepares food.
A two (2) day supply of perishable foods shall be maintained on the premises.
D.C. Mun. Regs. tit. 22, r. 22-B3221