Notwithstanding any other provisions of sections 8-70-115 to 8-70-125, "employment" means services with respect to which a tax is required to be paid under any federal law imposing a tax against which credit may be taken for premiums required to be paid into a state unemployment fund or which, as a condition for full credit against the tax imposed by the "Federal Unemployment Tax Act", is required to be covered under articles 70 to 82 of this title.
C.R.S. § 8-70-124