How to say that the chamber of commerce collects membership fees is simple and euphemistic.

1. In order to maintain the daily operation of the Chamber of Commerce and support its activities, we will regularly collect membership fees for maintaining our office space, providing membership services and holding various activities.

Dear members, we hope you can continue to develop with the Chamber of Commerce and create more business opportunities. In order to maintain our service quality and activity planning level, we need to charge a small amount of membership fees.