Something entirely normal in Russia, something that is almost unheard of in the general experience in the UK. Indeed, it used to be true that for a UK company then bribes paid to foreigners were a tax allowable expense but something that you went to jail for if you tried it on in England.

FORBES: Champagne, Caviar and Dancing Girls at the Telecoms Show?

The analysis examined the revenue-generating potential of various estate tax levels, including changes in both tax rates and allowable exemptions.

FORBES: To Reduce The Deficit, Kill The Estate Tax

Wait until January to pay some bills that aren't allowable federal tax deductions in the AMT, most notably state and local income taxes and property taxes.

FORBES: Magazine Article

If your losses exceed the allowable limits for any tax year, you can carry the loss forward to later years subject to certain limitations.

FORBES: Taxes From A To Z (2013): U Is For Unrealized Gains and Losses

And UK law recognised that: even to the extent that a bribe was an allowable expense on a corporate tax return.

FORBES: A Christmas Tip for the Postman is now Bribery

This is an income tax which effectively operates by conditioning a portion of the otherwise allowable standard or itemized deductions on obtaining health insurance.

FORBES: The Hidden Tax Lesson In Chief Justice Roberts' Obamacare Ruling

If a home is rented for fewer than 15 days during a tax year, no deduction attributable to the rental activity is allowable, but more importantly, no rental income is included in your taxable income.

FORBES: The Masters: A Tax Break Unlike Any Other