1 Duration between two dates â Calculates number of days. 2  Time and Date Duration â Calculate duration, with both date and time included.  Birthday Calculator â Find when you are 1 billion seconds old.
You are opting to tax land. For the purposes of VAT, the term âlandâ includes buildings. When you opt to tax, you can specify an area of land or a âbuildingâ. Commonly, you will specify a âbuildingâ because that is the prominent feature of the land.f you have recovered input tax on the basis of an intention to opt to tax and wish to retain the input tax recovered, you must make an option to tax at the very latest before any supplies of the land or buildings are made, and notify the option as detailed in paragraph 4.2.
If a project doesn't reduce energy costs enough to qualify for that deduction, there are deductions of up to $0.60 per square foot each for lighting, HVAC and the building envelope. Government buildings, which don't pay taxes, may transfer tax deductions to project designers. To qualify for a deduction, an HVAC project must reduce energy costs at least 16.67 percent below the costs for a building designed to meet ASHRAE 90.1-2001. The project must use energy modeling to show the energy cost savings.