1. The contract was not validly signed by both parties, so it is not legally binding.
2. The company's warranty is validly in effect for one year from the date of purchase.
3. The judge ruled that the evidence was not validly obtained and therefore could not be used in court.
4. The student's excuse for missing the exam was not validly supported with documentation.
5. The coupon code was not validly entered, so the discount was not applied to the purchase.
6. The test results were not validly reported due to errors in data collection.
7. The certificate must be validly signed by an authorized official in order to be considered legitimate.
8. The marriage was not validly recognized in the eyes of the law because it was not properly registered.
9. The ticket was not validly scanned at the entrance, so the attendee was denied entry to the event.
10. The claim was not validly supported by the necessary documentation, so it was denied by the insurance company.