Full American Lifeguard AssociationÂ® Profile. The American Lifeguard Association (ALA) has been offering training for over 25 years. It is a national educational association that has the full support of both the Swimming Pool and Spa Association and Global Lifeguards, a nonprofit 501(c)(3) organization.
Retroactively definition, operative with respect to past occurrences, as a statute; retrospective: a retroactive law. See more.
Revoke means to undo or call back and terminate means to finish or end. The implication is that the person who revokes something was its creator in the first place. To have power to terminate something isn't necessarily linked to being the author of the thing. A law can give a court power to terminate contracts that is infringe certain rules, for example.