Found the answer on existing pools.
Does the law apply to existing pools and spas? Yes
a. Manufacturers will most likely continue to make single speed pumps and pump motors for non-pool filtration purposes, therefore it is the installers’ responsibility to choose and install a compliant model whenever replacing a pool filter pump or pool filter pump motor.
Found a link to a document from the Florida swimming pool association that explains it in English.
http://www.floridapoolpro.com/indust...0Code%20QA.pdf