Massachusetts law about hours and conditions of employment

Laws, regulations, and web sources on hours and conditions of employment law.

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Table of Contents

Massachusetts laws

MGL c. 136, § 5 Conducting business on Sunday

MGL c. 136, § 6 Limitations to rules on conducting business on Sunday

MGL c. 136, § 13 Legal holidays; application of Secs. 5 to 11; exceptions

MGL c. 136, § 16 Retail opening on Sundays and holidays

MGL c. 149, § 45 Work on holidays

MGL c. 149, § 48 Day of rest: 1 day of rest in 7

MGL c. 149, § 51A Exemptions to Sunday and day of rest requirements

MGL c. 149, § 103 Seats for employees

MGL c. 149, § 113 Light, ventilation, cleanliness, sanitation and heat

MGL c. 149, § 190 Conditions of employment for domestic workers 
Workers must be given a period of 24 consecutive hours off per week.

MGL c. 151B, § 4 Unlawful practices
Prohibits discrimination and provides reasonable accommodations for expectant and new mothers in the workplace.

Massachusetts regulations

454 CMR 27.00 Minimum wage

  • 454 CMR 27.04 (1) Reporting pay or "show up" pay
    If you were scheduled to work for 3 hours or more and get sent home, your employer must pay you for at least 3 hours at least minimum wage. This does not apply to charitable organizations.
  • 454 CMR 27.04 (2) On-call time
    Explains when employers are and are not required to pay for on-call time.
  • 454 CMR 27.04 (3) Sleeping time and working shifts
    Explains requirements for sleeping time for employees required to work shifts of more than 24 hours.
  • 454 CMR 27.04 (4) Travel time
    Explains when employers are and are not required to pay for travel time.

Federal laws

29 USC §§ 201-219 Fair Labor Standards Act

Federal regulations

29 CFR 785 Hours worked

  • 29 CFR 785.27-32 Lectures, meetings, and training programs
    Explains when lectures, meetings and training programs must count as working time.
  • 29 CFR 785.48 Use of time clocks
    Includes information on “rounding” time up or down when arriving or departing work.

Full-time vs. part-time employment

From Drafting employment documents in Massachusetts, 4th ed., editor, Michael L. Rosen (MCLE, loose-leaf):

Although by definition part-time employees typically work significantly fewer hours than regular full-time employees, there is no bright-line definition. Typically, full-time workers work at least thirty hours per week. 

See also Massachusetts law about employment.

Web sources

An advisory from the Attorney General's Fair Labor and Business Practices Division on meal periods (Advisory 94/2), Mass. Attorney General, 1994.
Discusses the meal break law and the ability of the employee to waive it

Breaks and time off, Mass. Attorney General.
"Employers may require workers to take their meal breaks." Also includes information on employment leave and vacation time.

30-minute break   must be provided for every shift more than 6 hours

Coronavirus resources, U.S. Dept. of Labor.
A collection of links to pages on workplace safety, wage and hour issues, and news related to labor and COVID-19.

Does my employer have to give me two 15-minute breaks per day?

MGL c. 149, § 100 requires a 30 minute lunch period during shifts longer than six hours, but does not require breaks.

Does my employer have to pay me for days the office is closed?

From FindLaw

For non-exempt employees, “[e]mployers don't have to pay you if they shut down the business temporarily because you didn't work those hours.”

For exempt employees, “[i]f you worked part of a week, but the company shuts down for the rest of the week, the FLSA requires employers to pay your full salary for the week.”

Opinion letter re: Leave taken during inclement weather and section 13(a)(1), FLSA2005-41, U.S. Dept. of Labor. (October 24, 2005)
Although it is not a requirement, exempt employees may be forced by their employer to use personal or vacation time if they miss part of or a full day of work due to the weather, regardless if the workplace is open or closed.

FLSA protections to pump at work, U.S. Dept. of Labor.
Employers are required to "provide reasonable break time for an employee to express breast milk for their nursing child for one year after the child's birth each time such employee has need to express the milk."

Hours worked under the Fair Labor Standards Act (FLSA), U.S. Dept. of Labor Fact Sheet #22.
Provides information on requirements for time spent waiting, on-call, travelling, sleeping, eating meals, or engaged in other activities. 

How many hours per day or per week can an employee work?, U.S. Dept. of Labor, Wage and Hour Division.

The FLSA does not limit the number of hours per day or per week that employees aged 16 years and older can be required to work.

Internship programs under the Fair Labor Standards Act, U.S. Dept. of Labor Fact Sheet #71.
"[P]rovides general information to help determine whether interns and students working for “for-profit” employers are entitled to minimum wages and overtime pay under the Fair Labor Standards Act (FLSA)."

Massachusetts wage & hour laws poster, Mass. Attorney General.
State law requires all employers to post this notice at the workplace in a location where it can easily be read. Provides a quick and easy summary of Massachusetts wage and hours laws.

MCAD guidance on the Pregnant Workers Fairness Act, Mass. Commission Against Discrimination, 2018.
Information on the law effective April 1, 2018. Q&A includes specific guidance on breastfeeding or expressing breast milk during work hours.

Minimum heating guidelines, Mass. Dept. of Labor Standards. 
Outlines the minimum temperatures required in various types of workplaces. Specific temperature requirements for various types of workplaces.

Telework under the Fair Labor Standards Act and Family and Medical Leave Act, U.S. Dept. of Labor, Wage and Hour Division, February 9, 2023.
Guidance on breaks for remote employees, including meal breaks, pumping breaks for nursing mothers, and other short breaks.

Trainees, U.S. Dept. of Labor, 2018. 
Explains the criteria for when an employer does and does not have to pay a trainee.

Print sources

Employment law, 3rd ed. (Mass Practice v.45), Thomson Reuters, 2016 with supplement. Chapter 16.

Labor and employment in Massachusetts, LexisNexis, loose-leaf. Chapters 2 and 3.

Massachusetts wage and hours handbook, 7th ed., MCLE, 2022.

Contact   for Massachusetts law about hours and conditions of employment

Last updated: May 17, 2024

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