The Brazilian Federal Revenue Service has projected that it will receive approximately 1,141,414 individual income tax declarations for the year 2026 from the Campinas metropolitan area, which consists of 31 municipalities. The deadline for taxpayers to submit their declarations will begin on March 23, 2026, and run until May 29 of the same year, marking a slight increase of 1% compared to the previous year's total of 1,129,708 submissions. Compliance with this deadline is essential for taxpayers to avoid penalties; late submissions will incur a minimum fine of R$ 165.74, escalating to 20% of the owed tax amount.

Additionally, important changes have been made to the income tax exemption thresholds, with those earning up to R$ 5,000 becoming exempt, and those earning up to R$ 7,350 seeing reduced tax rates. However, these alterations will not affect the 2026 income tax declaration, since it is based on income earned in the previous year, known as the "base year" for the declarations. The adjustments in exemption thresholds are expected to be realized in later filings, not the upcoming 2026 submissions, which underscores the importance for taxpayers to be aware of the effective periods of these changes in tax legislation.