The definitions in this section apply throughout this chapter unless the context clearly requires otherwise.
(1) "Date of delinquency" means the date when taxes first became delinquent.
(2) "Electronic funds transfer" has the same meaning as provided in RCW 82.32.085.
(3) "Interest" means interest and penalties.
(4) "Taxes;" "taxes, interest, and costs;" and "taxes, interest, or costs" include any assessments and amounts deferred under chapters 84.37 and 84.38 RCW, where the assessments and deferred amounts are included in a certificate of delinquency by the county treasurer.