. :) RCW 59.18.070Landlord—Failure to perform duties—Notice from tenant—Contents—Time limits for landlord's remedial action.If at any time during the tenancy the landlord fails to carry out the duties required by RCW 59.18.060 or by the rental agreement, the tenant may, in addition to pursuit of remedies otherwise provided him or her by law, deliver written notice to the person designated in *RCW 59.18.060(14), or to the person who collects the rent, which notice shall specify the premises involved, the name of the owner, if known, and the nature of the defective condition.