Fillable Form Tm - Trimet Self-Employment Tax

• SSN or FEIN.

amended return to claim a refund. Check the “This is an

amended return” box on your transit return.

Mail to: TMSE

Oregon Department of Revenue

What if business is done both inside and outside of the

PO Box 14003

district?

Salem OR 97309-2502

Use an apportionment formula by completing Form TSE-AP.

Important filing information

Self-employment income is apportioned using a 100 percent

sales factor unless you are a qualifying taxpayer in utilities

• Do not combine your TriMet self-employment tax pay-

or telecommunications. A taxpayer primarily engaged in

ment with any other tax payment made to the Oregon

utilities or telecommunications may elect to use the double-

Department of Revenue.

weighted sales factor formula.

• Do not attach your Form TM to your Oregon income tax

return.

What if I’m audited by the IRS?

• Mail your transit return to the Oregon Department of

If changes are made that affect your self-employment

Revenue. Transit returns cannot be filed electronically.

earnings, file an amended return to report and pay any

File one TriMet Self-Employment Tax Return for all of your

additional tax due. If the change reduces your transit tax,

self-employment earnings.

you have two years from the date of the audit report to claim

a refund.

To avoid penalty and interest, file your return and pay your

tax by the due date.

See more FAQ's on our website at:

Frequently asked questions

When to file

I have more than one business. How should I file my

Your TriMet return is generally due the same day as your

TriMet return?

federal and Oregon individual income tax returns. For most

taxpayers, the 2011 due date is April 17, 2012. Fiscal year

File one return. If you have separate business activities,

returns are due the 15th day of the fourth month after the

attach a schedule that shows net earnings or losses for each

end of the fiscal year. When the due date falls on a Saturday,

separate business. Compute the TriMet self-employment

Sunday, or legal holiday, the due date will be the next busi-

income separately for each business. See instructions

ness day.

for line 1.

Can I file a joint return?

Extensions to file

No. Each taxpayer having self-employment earnings must

If you received a federal extension or an extension to file

file a separate Form TM. That’s true even if you and your

your federal or Oregon individual income tax return, it will

spouse filed a joint federal income tax return. The only

also extend your TriMet Self-Employment Tax Return. Check

exception is a partnership filing for all partners. Both

the “An extension has been filed” box on your Form TM. Do

spouses could be members of the same partnership.

not include your extension, but retain with your records.

I’m getting a refund on my Oregon individual income

Extensions are for more time to file a tax return only.

tax return. Can I have that refund applied to this tax?

There are no extensions for paying tax. If you have an

extension, you must make your payment by the original

No. We cannot apply any income tax refund to pay your

due date of the return to avoid a penalty and interest

TriMet self-employment tax.

charge. Complete Form TM-V and send it with your pay-

ment of tax. Form TM-V is available on our website at

Can I file my transit self-employment tax return

, or see

electronically?

“Taxpayer assistance.” Be sure to use the same name and

No. File your transit return by mail. Make a copy for your

Social Security number (SSN) or federal employer identifica-

records, and mail your return to the Oregon Department

tion number (FEIN) that you will use on your return when

of Revenue address printed at the bottom of the tax return.

you file.

Be sure to file your TriMet Self-Employment Tax Return

Can I file an amended transit self-employment tax

within the extension period.

return?

Yes. File an amended transit return any time you need to

Partnership election

correct your return as originally filed. Generally, you are

allowed three years from the due date of the return or

A partnership may elect to file and pay the transit self-

the date the return was filed, whichever is later, to file an

employment tax for the individual partners. The partnership

150-555-001 (Rev. 10-11)

Form Tm - Trimet Self-Employment Tax - 2011 Page 2

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