The secretary of health shall have the power and it shall be his or her duty:
In consultation with the children's services advisory committee and with the advice and assistance of persons representative of the various type agencies to be licensed, to develop minimum requirements pertaining to each category of agency established pursuant to chapter
74.15 RCW and RCW
74.13.031, necessary to promote the health of all persons residing therein.
The secretary of health or the city, county, or district health department designated by the secretary shall have the power and the duty:
(1) To make or cause to be made such inspections and investigations of agencies as may be deemed necessary; and
(2) To issue to applicants for licenses hereunder who comply with the requirements adopted hereunder, a certificate of compliance, a copy of which shall be presented to the department before a license shall be issued, except that an initial license may be issued as provided in RCW
74.15.120.