Section 32.4320 - Unamortized operating investment tax credits-net(a) This account shall be credited and Account 7210, Operating Investment Tax Credits-Net, should be debited with investment tax credits generated from qualified expenditures related to regulated operations which the company defers rather than recognizes currently in income.(b) This account shall be debited and Account 7210 credited with a proportionate amount determined in relation to the period of time used for computing book depreciation on the property to which the tax credit relates.