Definitions. 4. 2. Nature of Agreement. 7. 3. Development Feasibility and Structure. 7. 4.THIS AGREEMENT made and entered into as of this ______ day of. I understand that the monthly payment will be due until paid in full. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services. The conditions of repayment are as follows, basically, if the property is disposed of in the first full nine years AND a net profit is made AND. THIS PURCHASE AND SALE AGREEMENT, (the "Agreement") is made and entered into this _____ day of. Concertium shall submit invoices to Client monthly for outofpocket expenses incurred during the preceding month. Base Award Month and a Future Award Month as defined in the Contract. This note matured in 2015.