A Massachusetts Petition To Modify Bond is a legal document that is filed in court when a person or entity wants to modify the terms of a bond agreement. The petition must be filed with the court in the county where the bond was issued. This type of petition is most commonly used when a defendant needs to reduce bail or other bond amounts, or when a surety needs to increase a bond amount. There are two types of Massachusetts Petition To Modify Bond: a Petition to Reduce Bond and a Petition to Increase Bond. The Petition to Reduce Bond is filed when the defendant wishes to reduce the amount of money they must pay for bail or other bond amounts. The Petition to Increase Bond is filed when the surety wants to increase the bond amount.