28 Pa. Code § 147.55
Hospitals using off-premises or commercial linen processing shall require the agency providing the service to maintain at least the standards outlined in § § 47.51—147.55 (relating to laundry service) and the contract shall so state. The off-premises laundry service must ensure that clean linen is completely packaged and is protected from contamination upon delivery to the hospital.
This section cited in 28 Pa. Code § 147.55 (relating to off-premises laundry service).