WAC 296-150R-0450
When does state-plan insignia approval
expire? As a state-plan manufacturer, your approval for insignia
is based upon approval of your design plan and quality control
manual. Design plans are considered approved until a new ANSI
code edition is adopted or unless revisions to ANSI prior to code
changes would not support our design plan approval.
Note:
ANSI codes are normally adopted for a three-year period.