Pennsylvania Statutes Title 68 P.S. Real and Personal Property § 405.3. Documentation of disability and disability-related need

(a) Right to request documentation.--A landlord or association that receives a request from a person to make an exception to the landlord's or association's policy prohibiting animals or limiting the size, weight, breed or number of animals on the landlord's property or within property controlled by the association because the person requires the use of an assistance animal or service animal may require the person to produce documentation of the disability and disability-related need for the animal only if the disability or disability-related need is not readily apparent or known to the landlord or, in the case of an association, the executive board of the association.

(b) Minimum standards.--Any documentation proving that a person is disabled and requires the use of an assistance animal or service animal as a reasonable accommodation in housing under the Fair Housing Act (Public Law 90-284, 42 U.S.C. § 3601 et seq.), the Rehabilitation Act of 1973 (Public Law 93-112, 29 U.S.C. § 701 et seq.), the Americans with Disabilities Act of 1990 (Public Law 101-336, 104 Stat. 327)  1 or the act of October 27, 1955 (P.L. 744, No. 222),  2 known as the Pennsylvania Human Relations Act, or local law shall: