Advance Notice:
2 working days
(Defines minimum number of days in advance of a digging project that you need to notify the one call center of your intent to dig.)
Days Valid:
15 working days or when they are no longer reasonably visible
(Defines the period of time the locate paperwork and/or marks [paint, flags,etc.] are valid while they are maintained and clearly visible. Determined by regional legislation and/or best practices.)