Pennsylvania Admin. Code-Title 31-Part X-Chapter 301-Subchapter G. Protection Against Insolvency

An agreement to provide health care services between a provider and an HMO shall require that if the provider terminates the agreement, the provider shall give the HMO at least 60 days’ advance notice of termination.

See https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/031/chapter301/subchapGtoc.html&d=reduce