Except as provided in § 156.6091-2 (relating to exceptional cases):

Individuals, estates, and trusts. In general, tax returns under chapter 54 of the Code of individuals, estates, and trusts shall be filed with any person assigned the responsibility to receive returns in the local Internal Revenue Service office that serves the legal residence or the principal place of business of the person required to make the return.

Corporations. In general, tax returns under chapter 54 of the Code of corporations shall be filed with any person assigned the responsibility to receive returns in the local Internal Revenue Service office that serves the principal place of business or the principal office or agency of the corporation.

Partnerships. In general, tax returns under chapter 54 of the Code of partnerships shall be filed with any person assigned the responsibility to receive returns in the local Internal Revenue Service office that serves the principal place of business or the principal office or agency of the partnership.

Returns of taxpayers outside the United States. The return of a person (other than a partnership or a corporation) outside the United States having no legal residence or principal place of business or agency in the United States, or the return of a partnership or a corporation having no principal place of business or principal office or agency in the United States, shall be filed with the Internal Revenue Service, Philadelphia, PA 19255, or as otherwise directed in the applicable forms and instructions.

Returns filed with service centers or by hand carrying. Notwithstanding paragraph (a), (b), (c), or (d) of this section, unless a return is filed by hand carrying, whenever instructions applicable to tax returns under chapter 54 of the Code provide that the returns be filed with a service center, the returns must be so filed in accordance with the instructions. Returns that are filed by hand carrying shall be filed with any person assigned the responsibility to receive hand-carried returns in the local Internal Revenue Service office in accordance with paragraphs (a), (b), (c), or (d) of this section.