256.282—Accumulated deferred income taxes.
(a)
The text of these accounts is designed primarily to cover deferrals of Federal income taxes. However, they are also to be used when making deferrals of state and local income taxes. Service companies which have service company property and which have deferred taxes on income with respect thereto shall separately classify such deferrals in the accounts provided below so as to allow ready identification.
(b)
This account shall be credited and account 410, Provision for deferred incomes taxes, shall be debited with tax effects related to property described in paragraph (a) of this section where taxable income is lower than pretax accounting income due to differences between the periods in which revenue and expense transactions affect taxable income and the periods in which they enter into the determination of pretax accounting income.
(c)
This account shall be debited and account 411, Provision for deferred income taxes—credit, shall be credited with tax effects related to property described in paragraph (a) of this section where taxable income is higher than pretax accounting income due to differences between the periods in which revenue and expense transactions affect taxable income and the periods in which they enter into the determination of pretax accounting income.
(d)
Records with respect to entries to this account, as described above, and the account balance shall be so maintained as to show the factors of calculation and the separate amounts applicable to the additions of each vintage year for each class, group, or unit. The underlying calculations to segregate and associate deferred tax amounts with the respective vintage years may be based on reasonable methods of approximation, if necessary, consistently applied.