The family's income tax declarations were similarly modest.

Majority of tax declarations are presented via internet: for example, in the year 2012 94,2% of all natural persons income tax declaration were presented using internet.

He argued that it was the result of the sale of his shareholdings in the Banco BBM, and made four corrections of his income tax declaration for information adjustment.

Though permanent, the validity of the CPF is not unchallenged: it will be pending after one year or cancelled by omission after two years without paying income tax or making the income tax declaration (for those who already paid the tax along the year).

If the CPF is pending or cancelled by omission (instead of simply cancelled) it still can be regularized by delivering the income tax declaration and paying it, or simply by paying a regularization fee (for people who don't need to pay income tax).