I live in Philly and my ballot had Nader on it. I called the board of elections and they told me to vote on it and sent it in, that it will be counted. Have your mom call the board of elections in the county she lives in and see how they are going to handle it. If they say it's o.k. have her mail it in. I called Bucks county too, they said the same thing.
I wouldn't trust them.
This mess is why I'm taking 3 days off work and spending money on air fare to vote IN PERSON.