All You Have To Do Is Call 412-837-8426 or Fill Out Our Free Case Evaluation Form. Under Pennsylvania law, sellers of real estate must disclose any material defects to the buyer before both parties sign the purchase agreement.Definitions. As used in this Order, the following terms have these associated meanings: (a). A construction defect can be described as a condition in a property that shows defects, deficiencies, or mistakes in the construction process. Failed to pay the bid and complete the sale. ART PROOFING: First proof from your artwork submitted in accordance with Allegheny Printed Plastics' Electronic Artwork Guidelines, no charge. This information is used to complete the purchase transaction. : Other parties along the supply or sale chain may also share in the responsibility for the accident or injury. Please fill out ALL fields on the Bidder Registration form. A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction.