In effect Definition 1 of 3Pro Tip 1/3Current Validity Specifies that something, like a rule or law, is presently active and needs to be followed. The new speed limit is in effect as of Monday. Pro Tip 2/3Continuous State Indicates an ongoing condition or situation that hasn't changed. The ban on plastic bags is still in effect. Pro Tip 3/3Await Changes Often refers to temporary conditions or rules until new ones take place. Current guidelines remain in effect until further notice.