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All residents of Trenton age, 16 or older, are required to file a tax return regardless of where they work.
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You are subject to tax on all income earned while working in the City, regardless of where you live or where your employer’s main office is located. But, the City holds the employer liable for withholding the tax. Therefore, you do not have to file a Trenton tax return if you work in Trenton but live elsewhere. Exceptions to this:
Earned income is subject to the Trenton local income tax but unearned income is not. Common illustrations of earned income include the following paid by the employer(s) before any deductions:
Unlike for your Federal return, you may not deduct contributions to a retirement plan (IRA, 401k, 403b, or 457b) on your Trenton return. Gross earnings are taxed in the year earned. Most pension and retirement income are not taxable when you are retired and receiving distributions.
The City does not tax unearned income. Examples of unearned income are:
Additionally, income earned by individuals under 16 is not taxable by the City until the day they reach age 16. If Trenton taxes have been withheld while you were under age 16, you may file for a refund of this amount of tax on income earned before your birthday. (Attach proof of age, such as a copy of your driver’s license or birth certificate).
The only expenses that can be deducted from earned income as an individual are those reported on Line 26 of Federal Schedule A - Itemized Deductions. These pertain to unreimbursed business expenses incurred as an employee. (You may not use the amount on Federal Form 2106 since the Federal limitations do apply). This deduction only applies if the original local taxes were paid to Trenton.
You may be employed and also earn incidental income on the side. If so, your incidental net income is subject to tax. It might be in the form of fees for consulting or professional services, honorariums from speaking engagements, royalties from publications, small construction jobs, rental property, or other earned income. If you are a small business, this will typically show up as a Schedule C on your Federal return.
You may combine the results of each business and report the total on page one of the Form IR, Please also attach copies of all applicable federal forms.
Net operating losses cannot be used to offset employee wages. For unincorporated businesses, if you operated more than one business, a net operating loss within the city can be used to offset profits from any other type of business you operate within the city. The remainder of the loss that could not be offset to other business profits can be carried forward to be used as a future offset for up to five. Losses must be reported on Form IR, but are not deducted in the computation of your individual taxable income.