"Sale at wholesale" or "wholesale sale" means:
(1) Any sale, which is not a sale at retail, of:
(a) Tangible personal property;
(b) Services defined as a retail sale in RCW
82.04.050(2) (a) or (g);
(c) Activities defined as a retail sale in RCW
82.04.050(15);
(d) Prewritten computer software;
(e) Services described in RCW
82.04.050(6)(c);
(f) Extended warranties as defined in RCW
82.04.050(7);
(g) Competitive telephone service, ancillary services, or telecommunications service as those terms are defined in RCW
82.04.065; or
(h) Digital goods, digital codes, or digital automated services;
(2) Any charge made for labor and services rendered for persons who are not consumers, in respect to real or personal property, if such charge is expressly defined as a retail sale by RCW
82.04.050 when rendered to or for consumers. For the purposes of this subsection (2), "real or personal property" does not include any natural products named in RCW
82.04.100; and
(3) The sale of any service for resale, if the sale is excluded from the definition of "sale at retail" and "retail sale" in RCW
82.04.050(14).