It is unlawful:

A. for any person, with the exception of New Mexico egg producers, to sell eggs as a dealer unless such a person has obtained from the department a license to be issued at a price, varying according to the type of dealer;

B. for a person to refuse to submit any eggs, containers, lot, load or display of eggs to the inspection of any enforcement officer or to refuse to stop, at the request of any enforcement officer, any vehicle transporting eggs; or

C. for a person having eggs marked in accordance with the delivery invoice to keep the eggs for such time or under such conditions after they are purchased so as to cause them to deteriorate to a lower grade or standard and then offer and expose them for

sale under the mark of the original invoice grade or standard.