South Carolina Code of Regulations
Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL
Subchapter 61-13 - Standards for Licensing Habilitation Centers for Persons with Intellectual Disability or Persons with Related Conditions
Sec2 61-13.1600 - MEAL SERVICE
Section 61-13.1600.1603 - Food Equipment and Utensils (II)

Drinking containers made of porous materials shall not be used unless the containers have smooth liners which can be easily cleaned. These containers and/or liners shall be sanitized at least weekly or more often as necessary and identified for individual client use. Disposable containers shall be replaced at least weekly.