Without evidence that a particular procedure in the voting process de facto harms or was intended to harm a protected class of voters, it is up to the state legislatures, not the courts, to deal with the voting rules.
Spoilt vote
In voting, a ballot is considered spoilt, spoiled, void, null, informal, invalid or stray if a law declares or an election authority determines that it is invalid and thus not included in the vote count. This may occur accidentally or deliberately. The total number of spoilt votes in a United States election has been called the residual vote. In Australia, such votes are generally referred to as informal votes, and in Canada they are referred to as rejected votes. In some jurisdictions spoilt vo...