yes it does expire every 2 years this link will help you have a inner look of the certification expiration
There isn't a 'forklift license' in the US. Some companies may issue a forklift certification which potentially could expire.
can you recertify if you let your certification to expire.
CompTIA has created and tests candidates for the A+ certification.
Non-professional certifications do not (ie. anything up to Rescue Diver, plus the Specialties). However, professional ratings (Divemaster, Instructor) will lapse if you don't keep up paying annual membership dues.
If you are referring to EPA certifications for refrigerants, they do not expire and the issuing agency can get you a new one.
Re-certification is recommended to keep up on ever changing technology. The basic cirtifications expire in two years. Advanced and Master certifications last four years.
Usually they are valid up to 180 days.
You can get an A+ certification though CompTIA and QuickBooks. You will learn a lot and you can enroll for cheap.
3 years
One
The "A" stands for "Awesome".