"become valid" is a correct and usable phrase in written English.
It can be used as a way of saying that something has been officially and legally approved, recognized, or accepted. For example, "Once the contract is signed, it will become valid."
Specifically, after receiving the invalid signal, the OCT slow-axis scanner steps back 10 B-scans and waits for the validity signal to become valid again.
Promotions become valid only after a certain number of people sign up, with a running tally displayed beside each coupon, lending a social media energy to the deals.
Australia's 75-run win came even though they did not as much bowl their overs as rush through them, their priority being to bowl at least 25 for the match to become valid.
In his own post Christensen added the statement: "In a world gone mad, it took less than 48 hours for my admittedly incorrect remarks regarding the Merrylands police station attack to become valid in wake of commentary by the political and media elite on the Munich attack".
Though the legislation is not scheduled to become valid until at least Jan . 15 David S. Yassky, chairman of the city's Taxi and Limousine Commission, said New Yorkers had already indicated that they were pleased with the prospect of better access to taxi service.
Theoretical assumptions become valid only when they are tested empirically.
That "tipping point" business — the minimum number of takers an offer has to have before it becomes valid — is part of the psychology, too.
This amendment shall not be so construed as to affect the election or term of any Senator chosen before it becomes valid as part of the Constitution.
All proclamations and appointments that were made by the king became valid only when orders giving effect to them were issued by the Hluttaw.
Simple: the political dominance of the US means that as soon as a mental disorder is named in the DSM, that disorder becomes valid in the eyes of many.
The report states the stipulation only becomes valid in the final 12 months of his Stoke deal, meaning the Midlands club are in a race against time to agree new terms.
