General tax imputation criterion: accrual principle
Regulations: Arts.14.1b) Law PIT and 7 Regulations PIT; 11.1 and 3.1 LIS
The Law of the PIT It establishes as a basic guiding principle in this matter the reference to the regulations governing Corporate Income Tax, without prejudice to certain special provisions contained in the tax regulations themselves.
According to article 11.1 of the IS , the general criterion for tax imputation is constituted by the accrual principle, according to which income and expenses derived from transactions or economic events will be imputed to the tax period in which their accrual occurs, in accordance with accounting regulations, regardless of the date of payment or collection, respecting the due correlation between them.