"Sec. 1   RCW 18.170.020 and 1991 c 334 s 2 are each amended to read as follows:
     The requirements of this chapter do not apply to:
     (1) A person who is employed exclusively or regularly by one employer and performs the functions of a private security guard solely in connection with the affairs of that employer, if the employer is not a private security company;
     (2) A sworn peace officer while engaged in the performance of the officer's official duties; ((or))
     (3) A sworn peace officer while employed by any person to engage in off-duty employment as a private security guard, but only if the employment is approved by the chief law enforcement officer of the jurisdiction where the employment takes place and the sworn peace officer does not employ, contract with, or broker for profit other persons to assist him or her in performing the duties related to his or her private employer; or
     (4) Guest services or crowd management employees who do not perform the duties of a private security guard."