(815 ILCS 375/2.13)
(from Ch. 121 1/2, par. 562.13)
"Annual percentage rate" means the nominal annual percentage rate
of finance charge determined in accordance with the actuarial method of
computation with an accuracy at least to the nearest 1/4 of 1%; or at the
option of the seller, by application of the United States rule so that it may
be disclosed with an accuracy at least to the nearest 1/4 of 1%.
(Source: P.A. 76-1781.)