Pennsylvania's Right to Know Law
An Act requiring certain records of the Commonwealth and its political subdivisions and of certain authorities and other agencies performing essential governmental functions, to be open for examination and inspection by citizens of the Commonwealth of Pennsylvania; authorizing such citizens under certain conditions to make extracts, copies, photographs or photostats of such records; and providing for appeals to the courts of common pleas. The General Assembly of the Commonwealth of Pennsylvania hereby enacts as follows:
Section 1. In this act the following terms shall have the following meanings:
(1) "Agency." Any department, board or commission of the executive branch of the Commonwealth, any political subdivision of the Commonwealth, the Pennsylvania Turnpike Commission, or any State or municipal authority or similar organization created by or pursuant to statute which declares in substance that such organization performs or has for its purpose the performance of an essential governmental function.
(2) "Public Record." Any account, voucher or contract dealing with the receipt or disbursement of funds by an agency or its acquisition, use or disposal of services or of supplies, materials, equipment or other property and any minute, order or decision by an agency fixing the personal or property rights, privileges, immunities, duties or obligations of any person or group of persons: Provided, that the term "public records" shall not mean any report, communication or other paper, the publication of which would disclose the institution, progress or result of an investigation undertaken by an agency in the performance of its official duties, except those reports filed by agencies pertaining to safety and health in industrial plants; it shall not include any record, document, material, exhibit, pleading, report, memorandum or other paper, access to or the publication of which is prohibited, restricted or forbidden by statute law or order or decree of court, or which would operate to the prejudice or impairment of a person's reputation or personal security, or which would result in the loss by the Commonwealth or any of its political subdivisions or commissions or State or municipal authorities of Federal funds, excepting therefrom however the record of any conviction for any criminal act.
Section 2. Every public record of an agency shall, at reasonable times, be open for examination and inspection by any citizen of the Commonwealth of Pennsylvania.
Section 3. Any citizen of the Commonwealth of Pennsylvania shall have the right to a take extracts or make copies of public records and to make photographs or photostats of the same while such records are in the possession, custody and control of the lawful custodian thereof or his authorized deputy. The lawful custodian of such records shall have the right to adopt and enforce reasonable rules governing the making of such extracts, copies, photographs or photostats.
Section 4. Any citizen of the Commonwealth of Pennsylvania denied any right granted to him by section 2 or section 3 of this act, may appeal from such denial. If such court determines that such denial was not for just and proper cause under the terms of this act, it may enter such order for disclosure as it may deem proper.
You can read the entire law here: Right To Know Law 2009