1.   Altering a passport in any way May make it invalid.

2.   In fact, many potential objections may never even be aired, because the demonstration process will make them invalid.

3.   And what makes all excuses invalid is that going younger on the roster has not been responsible for the rotten attitudes.

4.   It is hard to see how those ballots could be made invalid by being subjected to the hand recounts specified in Florida election law.

5.   Many voters, particularly elderly ones with poor eyesight, wrote on the plastic cover instead of the ballot itself, making it invalid.

6.   The government says too few parliamentarians participated in the vote, making it invalid.

7.   The government says too few parliamentarians participated in the vote, making it invalid under the constitution.