4 Pa. Code § 7.1031
The following words and terms, when used in this subchapter, shall have the following meanings, unless the context clearly indicates otherwise:
AAFP—The American Academy of Family Physicians.
AAP—The American Academy of Pediatrics.
ACIP—The Advisory Committee on Immunization Practices of the Centers for Disease Control and Prevention.
ACOG—The American College of Obstetricians and Gynecologists.
PID—The Pennsylvania Insurance Department.
VFC program—The Vaccines for Children program.