890.07 RETURNS.
   (a)    When Return Required to be Made. Each taxpayer shall, whether or not a tax be due thereon, make and file a return on or before April 15 of the year following the effective date of this chapter and on or before April 15 of each year thereafter. When the return is made for a fiscal year or other period different from the calendar year, the return shall be filed on the fifteenth day of the fourth month following the end of taxpayer's taxable year.
   (b)    Form and Content of Return. The return shall be filed with the Administrator on a form or forms furnished by or obtainable upon request from such Administrator or on a Generic Form, setting forth:
      (1)    The aggregate amounts of salaries, wages, commissions and other compensation earned and gross income from a business, profession or other activity, less allowable expenses incurred in the acquisition of such gross income earned during the preceding year and subject to said tax;
      (2)    The amount of the tax imposed by this chapter on such earnings and profits; and
      (3)    Such other pertinent statements, information returns or other information as the Administrator may require.
   (c)    Extension of Time for Filing Returns. The Administrator may extend the time for filing of the annual return upon the request of the taxpayer for a period not to exceed six months, or one month beyond any extension requested of or granted by the Internal Revenue for the filing of the Federal income tax return. The extension request may be made by filing a written request. The Administrator may deny the extension if the taxpayer's income tax account with the Municipality is delinquent in any way. The Administrator may require a tentative return, accompanied by payment of the amount of tax shown to be due thereon, by the date the return is normally due. No penalty or interest shall be assessed in those cases in which the return is filed and the final tax paid within the period as extended.
   (d)    Consolidated Returns.
      (1)    Any affiliated group which files a consolidated return for federal income tax purposes pursuant to Section 1501 of the Internal Revenue Code may file a consolidated return with the Municipality. However, once the affiliated group has elected to file a consolidated return or a separate return with Municipality, the affiliated group may not change their method of filing in any subsequent tax year without written approval from the Municipality.
      (2)    In the case of a corporation that carried on transactions with its stockholders or with other corporations related by stock ownership, interlocking directorates or some other method, or in the case of a person who operated a division, branch, factory, office, laboratory or activity within the City constituting a portion only of its total business, the Administrator shall require such additional information as he or she may deem necessary to ascertain whether net profits are properly allocated to the City. If the Administrator finds that net profits are not properly allocated to the City by reason of transactions with stockholders or with other corporations related by stock ownership, interlocking directorates or some other method, or transactions with such division, branch, factory, office, laboratory or activity, he or she shall make such allocation as he or she deems appropriate to produce a fair and proper allocation of net profits to the City.
   (e)    Amended Returns.
      (1)    When necessary, an amended return must be filed in order to report additional income and pay any additional tax due, or to claim a refund of tax overpaid, subject to the requirements, limitations, or both, contained in Sections 890.13 and 890.14. Such amended return shall be on a form obtainable on request from the Administrator or on a Generic Form. A taxpayer may not change the method of accounting or apportionment of net profits after the due date for filing the original return.
      (2)    Within three months from the final determination of any Federal tax liability affecting the taxpayers City tax liability, such taxpayer shall make and file an amended City return showing income subject to the City tax, based upon such final determination of Federal tax liability, and shall pay any additional tax shown due thereon or make a claim for refund of any overpayment.
         (Ord. 2005-15. Passed 2-16-05.)