35 Ill. Adm. Code 223.255
Additional Product Dating Requirements
Section 223.255
Additional
Product Dating Requirements
a) No
person shall erase, alter, deface, or otherwise remove or make illegible any
date or code indicating the date of manufacture from any regulated product
container without the express authorization of the manufacturer. No manufacturer
shall affix a date-code that is not true for the date the item was
manufactured.
b) Date-code
explanations for codes indicating the date of manufacture are public
information and may not be claimed as confidential.