Support functions they care about, too. Be sure that your CPA members who attend the same charitable fund-raisers introduce themselves. Eventually, you will have a pool of friends and acquaintances to draw from when you need to apply pressure. Be aware of political realities. Be aware of local political machinations.
Local officials are often politically ambitious.
Within the limits of the law, staff should be alert to opportunities to be of help. Track and evaluate advocacy efforts. Adjust as needed.