ERISA specifies five categories of transactions that a fiduciary may not cause the plan to engage in, directly or indirectly, with a party in interest. These prohibited transactions include:

• Any sale, exchange or leasing of any property between a plan and a party in interest;
• The lending of money or other extension of credit between a plan and party in interest;
• The furnishing of goods, services or facilities between a plan and party in interest;
• Any transfer to, or use by or for the benefit of, a party in interest, of any assets of a plan; or,
• Causing a plan to acquire and to retain employer securities or employer real property in violation of ERISA.