If you have enrolled for health coverage through the Health Insurance Marketplace and receive advance payments of the premium tax credit in 2015, it is important that you report changes in circumstances, such as changes in your income or family size, to your Marketplace.

Advance payments of the premium tax credit provide financial assistance to help you pay for the insurance you buy through the Marketplace. Having at least some of your credit paid in advance directly to your insurance company will reduce the out-of-pocket cost of the health insurance premiums you'll pay each month.

However, it is important to notify the Marketplace about changes in circumstances to allow the Marketplace to adjust your advance payment amount. This adjustment will decrease the likelihood of a significant difference between your advance credit payments and your actual premium tax credit. Changes in circumstances that you should report to the Marketplace include, but are not limited to:

  • An increase or decrease in your income
  • Marriage or divorce
  • The birth or adoption of a child
  • Starting a job with health insurance
  • Gaining or losing your eligibility for other health care coverage
  • Changing your residence

For the full list of changes you should report, visit HealthCare.gov/how-do-i-report-life-changes-to-the-marketplace.

If you report changes in your income or family size to the Marketplace when they happen in 2015, the advance payments will more closely match the credit amount on your 2015 federal tax return. This will help you avoid getting a smaller refund than you expected, or even owing money that you did not expect to owe.

September 2017
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Upcoming Tax Dates

September 5 — Everyone
Federal Holiday (Labor Day) Details

September 10 — Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the first 15 days of August.

September 11 — Employees who work for tips
If you received $20 or more in tips during August, report them to your employer Details

September 14 — Regular method taxes
Deposit the tax included in amounts billed or tickets sold during the last 16 days of August.

September 15 — Individuals
Make a payment of your 2017 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment Details

September 15 — S Corporations
File a 2016 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension Details

September 15 — Partnerships
File a 2016 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension Details

September 15 — Corporations
Deposit the third installment of estimated income tax for 2016 Details

September 15 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in August.

September 15 — Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in August.

September 27 — Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the last 16 days of August.

September 29 — Regular method taxes
Deposit the tax for the first 15 days of September.

September 29 — Regular method taxes (special September deposit rule)
Deposit the tax for the period beginning September 16 and ending September 26.

September 29 — Communications and air transportation taxes under the alternative method (special September deposit rule).
Deposit the tax included in amounts billed or tickets sold during the period beginning September 1 and ending September 11.

September 30 — Wagering tax
File Form 730 and pay the tax on wagers accepted during August.

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