WAC 192-100-035
WAC 192-100-035. Effective date of claim defined
As provided in RCW 50.04.030 , an unemployment claim will be effective on the Sunday of the calendar week in which the application for benefits is filed, or, when requested, backdated to a calendar week prior to the calendar week in which the application is filed as provided in WAC 192-110-095 . This Sunday date is referred to as the "effective date of claim" or "claim effective date."