When does the late-declaration penalty apply?

When activity is not declared within 10 days of starting, under articles 6 and 7 of amended law 83-14.

What is the penalty amount?

The base is 5,000 DA, increased by 20% of that base, or 1,000 DA, per month of delay.

How is the number of months calculated?

The estimate counts complete calendar months after the 10-day deadline. CASNOS confirms partial-month treatment and special deadlines. A monthly anniversary that does not exist in a shorter month is clamped to that month’s last day.

Does this calculate late contribution payment charges?

No. Activity-declaration penalties differ from unpaid-contribution surcharges. Consult your CASNOS debt statement for those amounts.

Social security calculators

CASNOS late activity-declaration calculator

Estimate late activity-declaration penalties; annual contribution payment surcharges are excluded.

CASNOS (opens in a new tab)

Activity start date

The date activity began, not the contribution payment deadline.

Calculation date

Activity declaration or estimate date.

Year

Late-payment penalty

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Enter your figures and your result appears here instantly.

Late-payment penalty0DA

NotePlease enter two valid dates to calculate the penalty.

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How it works

Enter activity start and declaration or estimate dates.
The deadline is 10 days; afterwards the base penalty is 5,000 DA.
The estimate adds 1,000 DA per completed month after the deadline.

Sources: law 83-14, articles 6 and 7, amended by law 04-17 (JO 72/2004, p. 7); CASNOS.

Data last reviewed: 2026-09-20

CASNOS — Non-salariés (opens in a new tab)

Hsabet is not affiliated with any of these official organizations – cited for reference only.

Frequently asked questions

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The full guide

Guide to CASNOS 2026

Who has to join CASNOS, the 15% contribution rate and its limits in 2026, the three declaration and payment deadlines, the late penalty, and the invalidity, retirement and survivor's pensions, with the texts of the decrees.

Read the guide

About this tool

This calculator covers late CASNOS activity declarations, not overdue annual contribution payments. Articles 6 and 7 of law 83-14, amended by law 04-17, give 10 days to declare and set a 5,000 DA penalty plus 20% per month of delay.

Enter activity start and declaration or estimate dates. This estimate counts completed months after the declaration deadline; the fund determines the final assessment.