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The word valid means true and the word faulty means false.
That is not a valid Roman numeral.
Not a valid sequence for Roman numerals
This is not a valid roman numeral!
means the end
It means that after the 'valid until' date, the product will no longer be accepted as valid. Essentially, it's an expiration date.
Yes. You always have to have a passport that's valid past the return date when leaving the US, since you can't enter the US without a valid passport.
you will die :)
i hate bannans !
Any email address you enter into a web-site must be legitimate. The web-site is able to instantly check whether or not the email you enter is actually a valid (real) one !
It means that the web address isn't valid, or correct.
Yes.
Yes. Any valid state issue I.D. is valid for enter and exti Puerto Rico.
No that is not a valid date or year.
You only need a valid passport to enter Mexico.
A valid phone number is just a phone number that is valid - that normally just means a real, working telephone number. This is normally what is meant when a website asks you to enter a valid phone number or if you are asked to give a valid phone number on a form.A valid phone number is a number that connects to a working telephone line.