The phrase "are now valid" is correct and usable in written English.
You can use it to indicate that something has recently become acceptable or recognized as true or legitimate.
Example: "The new regulations are now valid and must be followed by all employees."
Alternatives: "are currently valid" or "are now accepted".
Such comparisons, which would have seemed ludicrous a year ago, are now valid.
Of the remaining 2.2 million, about 250,000 gun owners have applied for licenses, and 263,000 more have the older "acquisition certificates" that are now valid as licenses.
The V alternative precoders are now valid for NB OFDM blocks.
The number of keys (which are now valid) was approximately the same for some time and then slightly decreased for a period up to around 2002, and has been increasing with an approximately constant rate since then.
Interestingly, studies on core metabolism of microbial pathogens in situ are also starting to highlight significant differences in the enzymology and regulation of these pathways compared with those in their hosts, suggesting that even microbial pathways that were previously thought to be too similar to host pathways to be targeted are now valid drug targets.
She declared that the permit was now valid, paving the way for a mining project covering 2,278 acres to go forward.
In the immigration concession the Home Office said: "Firms involved in the construction and maintenance of windfarms within territorial waters should look to regularise the position of their workers". However the concession has since been extended twice and is now valid until April 2019.
All of his actions and words were now valid and I felt a little less at home in my country.
Although the output created by this tool is now valid, if the user has selected the wrong presumed input variant, it is possible for the resultant score values not to reflect the values intended by the sequencing technology.
Nevertheless, given what has already been shown as possible, it's now valid to say that activists and visionaries can seize the opportunity inherent in social media to help spur political change.
Several goblin shark specimens were described as separate species from 1904 to 1937, none of which are now considered valid.
