When calculating Omani taxable income, assets owned by an enterprise are separated into 2 main groups. Group 1 includes buildings, ships, aircraft, and intangible assets. Group 2 includes mainly machinery and equipment.
Group 1 assets are depreciated using the straight-line method at the following rates:
|Buildings built from selected materials (determined by the Secretary General||4%|
|Building built from other materials||15%|
|Quays, jetties, pipelines, roads, railways||10%|
|Ships and aircraft||15%|
|Hospital buildings and educational establishments||100%|
Group 2 assets are pooled into subgroups and depreciated using the declining-balance method at the following rates:
|Trucks, cranes, and other heavy equipment||33⅓%|
|Computers, motor-vehicles, self-propelling machines||33⅓%|
|Furniture and fixtures||33⅓%|
|Other machinery and equipment||15%|
Intangible assets are depreciated at rates determined by the Secretary General.