Develop a standard operating procedure for the monthly transaction review that aligns with the HUD policy and includes specific procedures on how to (1) identify and review common transactions that raise the level of risk in the program (for example, personal use purchases, other prohibited purchases, unauthorized purchases or services, split purchases, fraudulent purchases, FAR violation purchases, etc.), (2) methodically select transactions for investigation, and (3) follow up on identified potential improper transactions, including record-keeping requirements.