Section 363C.480 - Administrative and support services (NAICS 561)1. The administrative and support services business category (NAICS 561) includes all business entities primarily engaged in activities that support the day-to-day operations of other organizations.2. The amount of the commerce tax for a business entity included in this category is the amount obtained by subtracting $4,000,000 from the Nevada gross revenue of the business entity for the taxable year and multiplying that amount by 0.154 percent.Added to NRS by 2015, 2893Added by 2015, Ch. 487,§41, eff. 7/1/2015.