How the DGT's position has evolved
Current position
Deductible expenses must comply with accounting entry, accrual-based imputation, correlation with income, and documentary justification. They must correspond to real operations and not be classified as non-deductible by the LIS (Corporate Income Tax Law). The invoice is the priority means of proof, but the reality of the operation may be substantiated through other means of proof admitted by law.
The position of the DGT remains constant throughout the sequence. The criterion repeatedly requires accounting entry, accrual, correlation with income, and documentary justification for deductibility. No changes in the substantial requirements have been observed from 2014 to 2026.
Analysis based on 17 of 17 rulings with a stated position. Updated 25 September 2026.