After receipt of the notification from the county assessor of the amount of deferred special assessments and/or real property taxes the department shall pay, from amounts appropriated for that purpose, to the treasurers of such municipal corporations said amounts, equivalent to the amount of special assessments and/or real property taxes deferred, to be distributed to the local improvement or taxing districts which levied the taxes so deferred: PROVIDED, That when taxes are deferred as provided in RCW
84.64.050, the department shall pay to the treasurer of the county the amount equivalent to all taxes, foreclosure costs, interest, and penalties accrued to the date the declaration to defer is filed.