Simultaneously, the escrow agent in Fulton reviews and verifies the necessary documents related to the sale. Identify the parties involved in the transaction. 2.Credit Card Account Purchase Agreement from Fulton Financial Corporation filed with the Securities and Exchange Commission. A membership interest purchase agreement, sometimes called a MIPA, is a contract between a seller and a buyer to transfer the ownership of an LLC. A Business Purchase Agreement is a contract that transfers a business entity from its owner to a new buyer. A Business Purchase Agreement is a legally binding contract between a buyer and a seller for the purchase and sale of a business entity. 1. Sale and Purchase.