U.S. Customs provides the vehicle importer with a copy of the form and that copy must be included with the Pennsylvania application for title and registration. International Registration Plan (IRP) – A reciprocity agreement between the United States, District of.This agreement is for a 10GB dark ber connection between Pittsburgh International Airport (PIT) and Allegheny County Airport. This Agreement will then be filed as part of. This agreement is for the Sustainable Development Master Plan Project at. Pittsburgh International Airport. Set forth below are descriptions of fees that may apply to your Dollar rental.