W. Va. Code § 11-27-3
"Business" includes all health care activities engaged in, or caused to be engaged in, with the object of gain or economic benefit, direct or indirect, and whether engaged in for profit, or not for profit, or by a governmental entity. "Business" does not include services rendered by an employee within the scope of his or her contract of employment. Employee services, services by a partner on behalf of his or her partnership, and services by a member of any other business entity on behalf of that entity, are the business of the employer, or partnership, or other business entity, as the case may be, and reportable as such for purposes of the taxes imposed by this article.
"Broad-based health care related tax" means a broad-based health care related tax as defined in Section 1903 of the Social Security Act, including a health-care related tax for which a waiver from the broad-based or uniformity requirements has been granted and is in effect by the federal Centers for Medicare and Medicaid Services pursuant to the provisions of Section 1903 of the Social Security Act and implementing regulations.
"Corporation" includes associations, joint-stock companies and insurance companies. It also includes governmental entities when and to the extent such governmental entities engaged in activities taxable under this article.
"Department" means the Department of Human Services.
"Includes" and "including" when used in a definition contained in this article shall not be deemed to exclude other things otherwise within the meaning of the term being defined.
"Partner" includes a member in a "partnership", as defined in this section.
"Partnership" includes a syndicate, group, pool, joint venture or other unincorporated organization through or by means of which any privilege taxable under this article is exercised, and which is not within the meaning of this article a trust or estate or corporation. It includes a limited liability company when such company is treated as a partnership for federal income tax purposes.
"Person" means any individual, partnership, association, company, corporation or other entity engaging in a privilege taxed under this article.
"Secretary" means the Secretary of Department of Human Services.
"Social Security Act" means the Social Security Act of the United States, as amended by Public Law 109-171, and codified in Title 42, Section 1396b of the United States Code.
"Tax" means any tax imposed by this article and, for purposes of administration and collection of such tax, includes any interest, additions to tax or penalties imposed with respect thereto under article 10 of this chapter.
"Taxable year" means the calendar year, or the fiscal year ending during such calendar year, upon the basis of which the tax imposed by this article is computed. In the case of a return made under this article, or regulations of the Tax Commissioner, for a fractional part of a year, the term "taxable year" means the period for which such return is made.
"Taxpayer" means any person subject to any tax imposed by this article.
"This code" means the Code of West Virginia, 1931, as amended.
"This state" means the State of West Virginia.
W. Va. Code § 11-27-3