Every lease agreement includes a list of rules and regulations governing the lease.  Such rules may include

• tenant is prohibited from adding, changing or altering locks
• tenant may not park motor vehicles with expired licenses, boats, RVs on the property
• tenant may not store combustible materials or other building materials around the property
• types of nails or screws which are allowed or not allowed to hang pictures from the walls
• whether pets are allowed on the premises
• whether waterbeds are allowed on the premises (they are typically not allowed in apartment buildings)
• restrictions on the use of space heaters
• rules regarding the parking of vehicles on or around the property
• rules governing the installation of additional phone lines, internet cable or any other type of wiring
• noise levels to be observed
• rules prohibiting the use of any type of drug or illegal substance on the premises