It is not enough to "decline to Sign".

As Catholics we are called to fight against evil and for justice where it is possible.
Every member of a parish should ask their priest for Holy Hours of Reparation, pray the Rosary daily, pray the Angelus at 6 am, noon, and 6 pm in union with the whole Church and confront the abortion advocates in this spiritual warfare.

Also tell your neighbors that abortion is the intentional killing of someone made in the image of GOD.
Go forth into your neighborhood and Evangelize.