You're going to instruct voters to fill in the oval and vote both sides.

Instead of punching the hole you are going to fill in the oval.

Qualified voters include all individuals who are registered to vote and live within the boundaries of the district.

The senators go home and find out, if they vote for this stuff, then the voters are going to be upset. Their own voters don't like it.

With these systems there is less room for error by the voter in addition to fewer spoiled ballots.

This process actually gives the voters with returned ballots an opportunity to privately revise and then recast their ballot.