For example, you may find it advantageous to include additions for one of the following options: use of the device, modification of locks, extended tenant absences, lease entry, ancillary fees (payment or use), subletting, termination when selling premises, etc. If your initial rental agreement already covers many of these issues, here are some more specific examples of points you might want to raise through an endorsement (via EZ Landlord Forms): If a surcharge is produced after the start of a rental period, it can only take effect if both parties are accepted. . . .