Upon the terms and subject to the conditions set forth in this. A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction.A business purchase agreement should detail the names of the buyer and seller at the start of the contract. This basis upon which the Property is being sold was a material factor in reaching an agreement on the Purchase Price. 7. Permitting Period; Signage. If you are buying or selling a business in the Greater Pittsburgh area, contact our Pittsburgh purchase and sale agreement lawyer today. Learn about forming and registering your business online, and how to complete other types of business filings. Register your business (opens in a new tab). Standard Form Updates ; ASVL, Standard Agreement forthe Sale of Vacant Land, Aug. 1, 2024 ; BAC, Buyer Agency Contract, Aug.