WA Rev Code § 50.12.300 (2021)
2021 Revised Code of Washington|Title 50 - Unemployment Compensation|Chapter 50.12 - Administration.|50.12.300 - Professional employer organizations—Reports and records.

RCW 50.12.300 Professional employer organizations—Reports and records.(1) A professional employer organization must register with the department and ensure that its client employers are registered with the department as provided in RCW 50.12.070.(2) By September 1, 2007, the professional employer organization shall provide the department with:(a) The names, addresses, unified business identifier numbers, and employment security account numbers of all its existing client employers who do business or have covered employees in Washington state. This requirement applies whether or not the client employer currently has covered employees performing services in Washington state;(b) The names and social security numbers of corporate officers, owners, or limited liability company members of client employers; and(c) The business location in Washington state where payroll records of its client employers will be made available for review or inspection upon request of the department.(3) For client employers registering for the first time as required in RCW 50.12.070, the professional employer organization must:(a) Provide the names, addresses, unified business identifier numbers, and employment security account numbers of the client employers who do business or have covered employees in Washington state. This requirement applies whether or not the client employer currently has covered employees performing services in Washington state;(b) Provide the names and social security numbers of corporate officers, owners, or limited liability company members of the client employers; and(c) Provide the business location in Washington state where payroll records of its client employers will be made available for review or inspection at the time of registration or upon request of the department.(4) The professional employer organization must notify the department within thirty days each time it adds or terminates a relationship with a client employer. Notification must take place on forms provided by the department. The notification must include the name, employment security account number, unified business identifier number, and address of the client employer, as well as the effective date the relationship began or terminated.(5) The professional employer organization must provide a power of attorney, confidential information authorization, or other evidence, completed by each client employer as required by the department, authorizing it to act on behalf of the client employer for unemployment insurance purposes.(6) The professional employer organization must file quarterly wage and contribution reports with the department. The professional employer organization may file either a single electronic report containing separate and distinct information for each client employer and using the employer account number and tax rate assigned to each client employer by the department, or separate paper reports for each client employer.(7) The professional employer organization must maintain accurate payroll records for each client employer and make these records available for review or inspection upon request of the department at the location provided by the professional employer organization.[ 2007 c 146 § 9.]NOTES:Report on implementation and impact—2007 c 146 §§ 8-12: See note following RCW 50.04.298.Conflict with federal requirements—Severability—2007 c 146: See notes following RCW 50.04.080.