When computing adjusted basis for a facility certified in a tax year beginning before January 1, 1977, original basis is reduced by the amount of depreciation that was not deducted due to claiming the credit and by the amount of credit claimed in tax years beginning before January 1, 1977.
Or. Admin. Code § 150-315-0154
Stat. Auth.: ORS 305.100
Stats. Implemented: ORS 315.304