Agency Identifier (AID) 3 Agency Identifier of account owner. Used in conjunction with the main account code, the AID represents the department or agency responsible for the TAS. Value required, never blank.
With regard to mortgage lending, the âpar rateâ is the interest rate a borrower will qualify for with a given bank or mortgage lender assuming there is no interest rate manipulation.
par value. 1  the coupon price of a FINANCIAL SECURITY; for example, the initial face value or nominal price of an ORDINARY SHARE (as opposed to its market price). 2  The fixed price of a CURRENCY in terms of other currencies under a FIXED EXCHANGE-RATE SYSTEM.