Taxable base
Magnitude that, in accordance with applicable rules, serves to calculate a tax.
Taxable event
Situation or event that the rule defines as the origin of a tax obligation.
Taxpayer (subject)
Person or entity to whom the rule attributes tax duties; the scope of the term depends on the system.
Withholding
Amount that is separated from a payment and delivered or declared according to a legal mechanism.
Deduction
Authorized concept that can reduce the calculation base if conditions are met.
Exemption
Total or partial exclusion of an operation, income, or person under specific conditions.
Tax credit
Amount that can be applied against the calculated tax, according to requirements and limits.
Tax residency
Condition determined by legal criteria that can influence the scope of obligations.
Editorial note. General educational content. Definitions, obligations, and procedures may vary according to the jurisdiction and circumstances. It does not constitute tax, legal, or accounting advice.