Find out the arguments being used to promote this, then you'll be better prepared to respond. Permits are a way of taxing people for their right to self-defense. Making it more difficult is part and parcel to further restricting that right.
Best place to stop this is in committee before reaching the floor of your legislature. Don't know the logistics of your legislative process, but it is worth becoming very familiar with it.
Email, telephone and snail mail campaigns from a broad base of sister organizations can be meaningful - timing is everything with these.
Might suggest that this will just cause more people to OC - that'll get their attention.