The phrase "as a valid reason" is correct and usable in written English.
It can be used when you want to present a justification or explanation that is considered acceptable or legitimate.
Example: "He cited his lack of experience as a valid reason for not applying for the position."
Alternatives: "as a legitimate justification" or "as an acceptable explanation."
Choosing to keep an individual stock just because it went up does not qualify as a valid reason.
But analysts said the panel had probably concluded that a downturn affecting the entire advertising industry did not qualify as a valid reason for invoking the escape clause.
I do not accept that as a valid reason for refusing to offer any substantive justification for its decision to kill him.
On October 7 the companies demanded "confirmation that commercial confidentiality would be accepted as a valid reason for not identifying its agents".
I don't agree with people who say revenge against women, who are seen as more empowered, now can be seen as a valid reason.
Most policies accept terrorist activity as a valid reason for canceling a trip only if the act occurred in a city on your itinerary within 30 days of your scheduled arrival.
The law bars retaliation, but states that as long as an employer has a "valid reason," like a prolonged absence, the firing is legitimate.
This was denied on the grounds of insufficient information being available about the fish stocks, a valid reason but only as long as an effort is being made to collect such data and until such time as conclusions can be drawn from those data.
The statistically significant lower true conjugate in women who underwent caesarean section for dystocia and repeat caesarean section (recurrent indications) as compared to the other (non recurrent) indications for caesarean section is interpreted in our study as some evidence for a valid reason to perform the operation.
(That, of course, is another question). Is there a valid reason to make them as neurotic as we are?
The Supreme Court was troubled by these circumstances, but did not view them as substantial enough to create a valid reason to change Brown's estate planning documents.
