Osteons are arranged in parallel to the long axis of the bone. The Haversian canals surround blood vessels and nerve cells throughout the bone and communicate withosteocytes in lacunae (spaces within the dense bone matrix that contain the living bone cells) through canaliculi.
Any donation to a political party, campaign, or action committee is not tax deductible. 1  According to the Internal Revenue Service, âYou cannot deduct contributions made to a political candidate, a campaign committee, or a newsletter fund. 2  Limits On Contributions To Political Campaigns.
Direct Contributions. Writing a check directly to a candidate, campaign or political party can't be used to reduce your taxable income. Contributions to political action committees or advocacy organizations aren't tax deductions either. Nor is money given to 527 groups that seek to influence the outcome of an election; in fact, the 527 refers to the section of the tax code that governs such groups and indicates they aren't charitable organizations.