(a) The following security charges shall be in effect for any period for which the secretary has implemented collections under this chapter:
(1) (A) One and seven-tenths mills per pound ($0.0017) for class 1 fat.
(B) Nine-tenths mills per pound ($0.0009) for class 1 solids-not-fat.
(C) One-tenth mill per pound ($0.0001) for class 1 fluid.
(2) (A) Three and two-tenths mills per pound ($0.0032) for classes 2, 3, 4a, and 4b fat.
(B) One and three-tenths mills per pound ($0.0013) for classes 2, 3, 4a, and 4b solids-not-fat.
(b) The secretary shall add the security charges to the prices established for all classes of milk in accordance with Chapter 2 (commencing with Section 61801). The secretary is only authorized by this article to collect security charges on covered milk.