If you are engaged as a professional fund raiser in Michigan you are required under Section 4 of Public Act 298 of 1992 to file a Michigan Professional Fund Raiser Bond as a condition of licensure.
Bonds Express offers a Michigan Professional Fund Raiser Bond with a 99% approval rate.  

A surety bond protects the party requesting the bond, the Obligee, against any financial losses as a result of poor financial decisions, damages, unethical decisions, or a failure to follow state and local laws on the part of you, the Principal. The Michigan Professional Fund Raiser Bond holds you accountable for your business decisions.

By possessing a Michigan Professional Fund Raiser Bond, you are telling your Obligee that you can be trusted as a Principal and that you stand behind your business decisions.