The definitions in this section apply throughout this chapter unless the context clearly requires otherwise.
(1) "Business" means an occupation, profession, or employment engaged in for the purpose of seeking a profit.
(2) "Department" means the department of revenue.
(3) "Person" means any individual, partnership, limited liability company, or corporation conducting or having an interest in a business in the state.
(4) "Trade name" means a word or name, or any combination of a word or name, used by a person to identify the person's business which:
(a) Is not, or does not include, the true and real name of all persons conducting the business; or
(b) Includes words which suggest additional parties of interest such as "company," "and sons," or "and associates."
(5) "True and real name" means:
(a) The surname of an individual coupled with one or more of the individual's other names, one or more of the individual's initials, or any combination;
(b) The designation or appellation by which an individual is best known and called in the business community where that individual transacts business, if this is used as that individual's legal signature;
(c) The registered corporate name of a domestic corporation as filed with the secretary of state;
(d) The registered corporate name of a foreign corporation authorized to do business within the state of Washington as filed with the secretary of state;
(e) The registered partnership name of a domestic limited partnership as filed with the secretary of state;
(f) The registered partnership name of a foreign limited partnership as filed with the secretary of state; or
(g) The name of a general partnership which includes in its name the true and real names, as defined in (a) through (f) of this subsection, of each general partner as required in RCW
19.80.010.