25 Pa. Code § 220.1
This chapter establishes requirements for notices, instructions and reports by licensees or registrants to individuals engaged in activities under a license or registration. This chapter also establishes options available to the individuals in connection with Department inspections of licensees or registrants to ascertain compliance with the provisions of the act and regulations, orders and licenses issued thereunder regarding radiological working conditions. This chapter applies to persons who receive, possess, use, own or transfer radiation sources licensed by or registered with the Department under Chapters 216 and 217 (relating to registration of radiation-producing machines and radiation-producing machine service providers; and licensing of radioactive material).
25 Pa. Code § 220.1