34 Pa. Code § 63.71
The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise:
Agency-Any officer, board, commission or other authority charged with the administration of the unemployment compensation law of a participating jurisdiction.
Covering state-The state to which an employer has erroneously paid contributions under the unemployment compensation law of the state with respect to wages paid for such unemployment.
Interested agency-The agency of an interested jurisdiction.
Interested jurisdiction-Any participating jurisdiction to which an election submitted under the provisions of this subchapter is sent for its approval.
Jurisdiction-Any state of the United States, the District of Columbia, Puerto Rico, Virgin Islands or with respect to the Federal government, the coverage of any Federal unemployment compensation law.
Participating jurisdiction-A jurisdiction whose administrative agency has subscribed to the arrangement and whose adherence thereto has not terminated.
Refunding state-The state to which an employer has erroneously paid contributions under the unemployment compensation law of a participating jurisdiction.
Services customarily performed by an individual in more than one jurisdiction-Services performed in more than one jurisdiction during a reasonable period, if the nature of the services gives reasonable assurance that they will continue to be performed in more than one jurisdiction or if such services are required or expected to be performed in more than one jurisdiction under the election.
34 Pa. Code § 63.71