Periodic plan
Periodic plan means any written authorization for an FDIC-supervised institution to act as agent to purchase or sell for a customer a specific security or securities, in a specific amount (calculated in security units or dollars) or to the extent of dividends and funds available, at specific time intervals, and setting forth the commission or charges to be paid by the customer or the manner of calculating them. Periodic plans include dividend reinvestment plans, automatic investment plans, and employee stock purchase plans.