When it comes to titles like this that are considered protected, it is actually how they work.
In your example, he isn’t allowed to use that title in the new state until he’s joined their organization (or they have an agreement with his original state)
As an extreme example for why the timing does matter, If he was licensed properly for 1 year, then let it lapse but continued to do design work as an engineer for 25 years, and then relicensed himself for one last year before retiring, the work he did during that period of being unlicensed isn’t covered, and the board of engineers would go after him for that.
For what it’s worth, there are specific provisions in the laws to allow retired people to continue using the title P.Eng with a “Retired” tag added onto it.
When it comes to titles like this that are considered protected, it is actually how they work.
In your example, he isn’t allowed to use that title in the new state until he’s joined their organization (or they have an agreement with his original state)
As an extreme example for why the timing does matter, If he was licensed properly for 1 year, then let it lapse but continued to do design work as an engineer for 25 years, and then relicensed himself for one last year before retiring, the work he did during that period of being unlicensed isn’t covered, and the board of engineers would go after him for that.
For what it’s worth, there are specific provisions in the laws to allow retired people to continue using the title P.Eng with a “Retired” tag added onto it.