1. The credits are valid until June 24,2017.

2. One certificate was valid between June 28,2011 and June 28,2013.

3. The second prize is worth $100,000, and a third valid entry will earn researchers at least $50,000.

4. The appeals court wrote that this is not a valid reason.

5. The national police refused to arrest him, because they said there were no valid criminal charges.

6. According to court papers, he does not hold a valid registration certificate for a firearm.

7. This is despite having a valid visa and holding a British passport.

8. From a generally accepted accounting principles point of view, reducing inventory is a valid choice.

9. There are valid arguments on both sides of this, he said, and there always will be.

10. Only Microsoft personnel with a valid business need are permitted access to the telemetry data.

11. The key here is to prevent misuse of valid credentials, he explained.

12. The hypothesis, is not intended as a legally valid explanation in defense against any lawsuit.

13. So he built a Python script that could generate valid authentication tokens.

14. The drugs used in executions by lethal injection all have valid clinical uses.

15. To some extent, this is a valid concern.