Maine sales tax return

File the Maine sales tax return and remit the tax collected, on the monthly, quarterly or annual schedule the state assigned.

When: By the 20th day of the 1st month after each quarter.
Agency: Maine Revenue Services
Applies to: Every company collecting sales tax in Maine.
If missed: Late filing and payment penalties plus interest; personal liability for the owners for tax collected and not remitted
Source: www.maine.gov, read October 22, 2026

Jay explains

A business that collects Maine sales tax files returns on a schedule the Maine Revenue Services assigns from its volume: monthly for larger sellers, quarterly for most small ones, annually for the smallest. Dates here assume quarterly, due the 20th of the month after the quarter. Sales tax collected belongs to the state, and owners can be held personally liable for it.

Next dates

For a calendar year company. Shown as the agency states them; if a date falls on a weekend, file before it.

January 20, 2027
April 20, 2027
July 20, 2027
October 20, 2027
January 20, 2028
April 20, 2028
July 20, 2028
October 20, 2028

Also in Maine

Maine annual report Maine annual report Maine annual report Maine nonprofit annual report Maine charitable organization license renewal Maine corporate income tax return Maine corporate estimated tax payment Maine pass through entity return Maine personal income tax return with business income Maine unemployment insurance wage report Maine annual withholding reconciliation Maine Paid Family and Medical Leave contributions

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Your company's compliance calendar

Three answers to start. Refine it after.

What kind of organization is it?

An LLC's tax treatment decides which federal return it files. Choose the line that matches yours. Nonprofits are covered too.

State of formation

Employees

Count everyone on payroll. An S corporation's working owners are employees: they are paid a salary.

Where is it based? The state of the office, or of most of the people

A company based outside its state of formation is registered in both and files in both.

More about the company: other states, payroll, dates, abroad

Company name

Date registered in each other state

Optional. Some states key their report to the day you registered there rather than your date of formation; without it, the formation date stands in and the calendar says so.

Who runs payroll?

Fiscal year ends in

Date of formation

Needed for states that key filings to the anniversary of formation.

Annual revenue

Some taxes start at a revenue threshold.

We pay independent contractors We offer a retirement plan (401(k), SIMPLE, SEP)

Outside the United States We hold a bank or financial account outside the US A person or company outside the US owns 25% or more of it We own 10% or more of a company outside the US We pay people or companies outside the US

Each adds the FinCEN or IRS form that comes with it: the FBAR, Form 5472, Form 5471, Forms 1042 and 1042-S.

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