Washington Revised Code Title 51. Industrial Insurance § 51.16.070. Employer's records--Unified business identifier--Confidentiality

(1)(a) Every employer shall keep at his or her place of business a record of his or her employment from which the information needed by the department may be obtained and such record shall at all times be open to the inspection of the director, supervisor of industrial insurance, or the traveling auditors, agents, or assistants of the department, as provided in RCW 51.48.040.

(b) An employer who contracts with another person or entity for work subject to chapter 18.27, 18.106, or 19.28 RCW shall obtain and preserve a record of the unified business identifier account number for and the compensation paid to the person or entity performing the work. Failure to obtain or maintain the record is subject to RCW 39.06.010 and to a penalty under RCW 51.48.030.