haversian spaces-spaces in bone formed by the enlargement of haversian canals. haversian system-a central canal containing capillaries and the concentric osseous lamellae around it occurring in compact bone.
Any donation to a political party, campaign, or action committee is non-deductible. Other non-deductible contributions are those to individual people, labor unions, business associations, for-profit schools, for-profit hospitals, foreign governments, and fees paid to associations or state or municipal governments.
You canât give Aunt Linda $50 and deduct it as a charitable contribution. Neither can you deduct political contributions or candidates. Not everyone can deduct their charitable contributions. You must file IRS Form 1040 and itemize deductions on Schedule A to claim the charitable deduction. Some charitable contributions come with benefits. If you buy a T-shirt for a cause the entire price of the shirt isnât deductible, only the contribution value, on top of the worth of the T-shirt can be claimed.