A chaperone may come to the shoot with the model.

The chaperone will be allowed to be present during the shoot but must not interfere with any model,  photographer nor any other member of the studio staff. 

If a chaperone becomes disruptive to a session then the photographer may elect to cancel the shoot. In this case the model will only be paid for successfully completed work. 

For shoots lasting more than a day overnight accommodation for the chaperone will be the model's responsibility.