Section 3-203.12 - Shellstock, Maintaining Identification(A) Except as specified under Subparagraph (C) (2) of this section, SHELLSTOCK tags shall remain attached to the container in which the SHELLSTOCK are received until the container is empty. Pf(B) The date when the last SHELLSTOCK from the container is sold or served shall be recorded on the tag or label. Pf(C) The identity of the source of SHELLSTOCK that are sold or served shall be maintained by retaining SHELLSTOCK tags or labels for 90 calendar days from the date that is recorded on the tag or label, as specified under ¶ (B) of this section, by: Pf(1) Using an APPROVED record keeping system that keeps the tags or labels in chronological order correlated to the date that is recorded on the tag or label, as specified under ¶ (B) of this section; Pf and(2) If SHELLSTOCK are removed from their tagged or labeled container:(a) Preserving source identification by using a record keeping system as specified under Subparagraph (C) (1) of this section, Pf and(b) Ensuring that SHELLSTOCK from one tagged or labeled container are not COMMINGLED with SHELLSTOCK from another container with different CERTIFICATION NUMBERS; different harvest dates; or different growing areas as identified on the tag or label before being ordered by the CONSUMER. PfWis. Admin. Code Department of Health Services § 3-203.12