All tanks are required to have annual maintenance, performed by a TSSA certified oil burner technician. This includes visually inspecting for leaks and testing and servicing the unit to ensure that it is operating proberly. It is the owner’s responsibility to arrange / ensure they have yearly maintenance examinations.
In addition, a comprehensive inspection by the Fuel Oil distributor is required at least once every 10 years. This is performed to ascertain compliance with the regulations and code.
For more detailed information check out the TSSA site. Here is the link for FAQ’s regarding fuel oil: http://www.tssa.org/regulated/fuels/