New Hampshire
State Business Income Tax Extension

What Form does the state of New Hampshire require to apply for
an extension?

There is no state-specific form to request an extension, as the state of New Hampshire automatically provides the extension for up to 7 months for businesses to file an income tax return with the state.

How do I pay my balance due to the state of New Hampshire with
my extension?

You can choose to pay your balance due along with your return by using any one of the following options:

• e-File New Hampshire system - (Visit )
• Check or money order
  • Use Payment Form BT-EXT - If your business is an LLC
  • Use Payment Form FTB 3539 - if your business is a Corporation or Exempt Organization
  • Use Form FTB 3538 - If your business is a partnership
    (LP or LLP)

When is the deadline to file a business tax return with
New Hampshire?

LLC and Partnership

• Businesses in New Hampshire (operating as General Partnership, LP, LLP, LLLP) have to file their Form NH-1065 by the 15th day of the 4th month following the end of the accounting period.
• Businesses in New Hampshire (operating as SLLC, LLC classified as a partnership) have to file their Form DP-200 by the 15th day of the 4th month following the end of the accounting period.

Corporation

• Businesses in New Hampshire (operating as S Corporation & C Corporation) have to file their Form DP 120 by the 15th day of the 3rd month following the end of the accounting period.