Law and fines · 3 min read

Fines for exceeding the workweek or not giving the rest day

Short answer

Not respecting the daily workday or the rest day is penalized with 50 to 250 UMA: $5,865.50 to $29,327.50 with the 2026 UMA. It is in Article 994, section I.

ViolationFineIn pesos, 2026 UMA
Not keeping the electronic working-time record250 to 5,000 UMA$29,327.50 to $586,550
Not respecting the daily workday or the rest day50 to 250 UMA$5,865.50 to $29,327.50

Article 994, sections IV Bis and I, of the LFT. 2026 UMA: $117.31 per day.

In addition to the fine

Extra hours worked must be paid, at double or triple time.

How to avoid it

With a record that warns you before you reach the limit.

The reform in one minute

The reform has two parts. On March 3, 2026, article 123 of the Constitution was amended to set the 40-hour workweek. On May 1, 2026, the Federal Labor Law was amended, which is where the detail is.

  • The maximum working week drops from 48 to 40 hours, two hours per year, between 2027 and 2030.
  • Overtime has a weekly cap: it is paid at double time up to the cap and at triple time for up to 4 more hours.
  • Each company must electronically record the start and end time of each person's workday.
  • Not keeping that record is fined 250 to 5,000 UMA.
  • Salary and benefits cannot go down because of the reduction in hours.

What remains pending are the STPS general rules, which will define who the record applies to and what exceptions there will be. They take effect on January 1, 2027.

Weekly limits by year
YearMaximum working hoursDouble-time overtimeTriple-time overtime
202648 h9 h4 h
202746 h9 h4 h
202844 h10 h4 h
202942 h11 h4 h
203040 h12 h4 h

Decree published in the Official Gazette of the Federation on May 1, 2026, second and fourth transitory provisions, and article 68 of the LFT. Each change applies from January 1.

Common mistakes

  • Assuming the obligation does not apply because you are a small business.
  • Believing a device or fingerprint is required.
  • Confusing the date the law took effect with the date of the STPS rules.
  • Reading the 2030 caps as if they already applied.
  • Trusting a provider that claims to be certified by the authority.

What to do now

  1. Read what article 132, section XXXIV, requires.
  2. Review how you record your staff's clock-in and clock-out today.
  3. Choose an electronic recording method.
  4. Agree on it in writing with each person.
  5. Check the STPS general rules when they are published.

Related terms

What is the payroll CFDI. The payroll CFDI is the payment receipt stamped with the SAT that the company issues for each salary payment.

Vacation premium: how much it is and when it is paid. The vacation premium is an additional payment of at least 25% on the salary for the vacation days.

What is the Official Gazette of the Federation (DOF). The Official Gazette of the Federation is the publication where federal laws, decrees and rules appear.

Frequently asked questions

Is there a fine for not paying overtime?

Violations without a specific penalty are fined under Article 1002, from 50 to 5,000 UMA.

Is the reform already in force?

Yes. The reform to the Federal Labor Law took effect on May 1, 2026. The reduction in working hours starts on January 1, 2027.

Who monitors compliance?

The Ministry of Labor and Social Welfare, through inspections.

Where do I find the official text?

In the Official Gazette of the Federation of May 1, 2026 and in the current version of the Federal Labor Law published by the Chamber of Deputies.

Does this replace the advice of a lawyer?

No. It is general information. For decisions about your company, consult a labor lawyer.

Legal basis and sources

How we write this content. The Sicheca team writes it from the official text of the law. When something is not yet defined by the authority, we say so. It is general information and does not replace the advice of a lawyer or an accountant.