Hi there,
Welcome to Box Community and glad to help!
You can advise your invitee to reject this invitation using these instructions.
To reject a pending invitation:
- In the left menu of your Box account window, click All Files.
- In the pending invitations panel under ACTION REQUIRED, hover on the name of a file or folder.
- To see details about the invitation, click the ellipses, "...", and select View Details.
- To decline the invitation, click the ellipses, "...", and select Decline All.
Hope it helps!
Theres no action required