37 Pa. Code § 55.4
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Neighbor-For the purposes of 42 Pa.C.S. Chapter 97, Subchapter H (relating to registration of sexual offenders), those persons occupying both residences and places of employment located within a 250-foot radius of a sexually violent predator's residence, or the 25 most immediate residences and places of employment in proximity to the sexually violent predator's residence, whichever is greater.
Sexually violent predator-A person who has been convicted of a sexually violent offense as set forth in 42 Pa.C.S. § 9793(b) (relating to registration of certain offenders for ten years) and who is determined to be a sexually violent predator under 42 Pa.C.S. § 9794(e) (relating to designation of sexually violent predators) due to a mental abnormality or personality disorder that makes the person likely to engage in predatory sexually violent offenses.
37 Pa. Code § 55.4