Section 21.2 - Pack-date and expiration date - Regrading and repacking(a) A pack-date may be in a three-digit julian date or a calendar date.(b) If an expiration date is used on the container, the date shall be preceded by EXP.(c) Eggs removed from sale as a result of the expiration date on the container may be regraded and repacked if such eggs comply with grade standards.Okla. Stat. tit. 2, § 21.2