Wash. Rev. Code § 84.25.120
(1) Thirty days after the anniversary of the date of the certificate of tax exemption and each year for the tax exemption period, the owner of the new industrial/manufacturing facilities must file with a designated authorized representative of the city an annual report indicating the following:
(2) A city that issues a certificate of tax exemption under this chapter must report annually by December 31st of each year, beginning in 2013, to the department of commerce. The report must include the following information:
[ 2015 1st sp.s. c 9 s 12.]