(1) All licensees are subject to inspection by the department. The department's inspections of the registered land area may include the following:

(a) Inspections for unauthorized plant growth;

(b) Inspections for industrial hemp in any form on the registered land area;

(c) Inspections for rogue, volunteer, or off-type industrial hemp plants;

(d) Identification of any industrial hemp activities not listed on the license;

(e) Audits of existing business data and reports related to industrial hemp;

(f) Identifying compliance with required signage (WAC 16-305-060);

(g) Assessing compliance with other applicable licensing terms and conditions; and

(h) Obtaining samples for lab testing.

(2) Registered land areas under a grower or combination license must be inspected by the department no less than two times during each license period. Registered land areas may be inspected by the department for a period of three hundred sixty-five days from the end of the license period to check for unauthorized plant growth such as, but not limited to, volunteer plants. Industrial hemp samples from registered land areas licensed under a grower or combination license must be taken by the department no less than once during any growing period. Industrial hemp samples from registered land areas shall be tested by the department for THC concentration at least once during any growing period.

(3) Registered land areas licensed under a processor and marketer or combination license must be inspected by the department no less than once during each license period. Industrial hemp seed being stored under a processor and marketer or combination license will be inspected by the department for devitalization practices no less than once per year.