In the state of wash with 2 DUI's after 7 years has passed and you recently have another DUI will that count as your first offense or third offense?

"In the state of wash with 2 DUI's after 7 years has passed and you recently have another DUI will that count as your first offence or third offence in regards to qualifying for defferd prosecution and what sort of impact is it gonna fall under with the minimum and the maximum time of the crime?