Building codes for above ground swimming pools
The building codes consist of getting a permit for the pool, display it properly prior to starting construction, the pool location is in accord with zoning rules and pool location is in accord with zoning rules. You can get the complete codes and much more on; http://www.buildingcommission.com.au/www/html/551-swimming-pools--spas.asp.
Depends on what state you live in. Check with your local building official
What? I've never heard of that? And btw above grounds are temporary...
In my area,southeastern Pennsylvania, a permit is needed for the electrical supply for the pump. The pool must be over 48 inches high, otherwise you will need a fence around the pool.