With Senate Finance Committee meetings to mark up Chairman Max Baucus’ health care reform proposal as outlined in his 220-page “Chairman’s Mark of America’s Healthy Future Act of 2009” (the “Baucus Proposal”) scheduled to begin tomorrow (September 22, 2009), tax-exempt health care and other non-profit organizations should evaluate carefully proposed amendments that would amend or repeal the rebuttable presumption rule applicable to non-profits when defending Internal Revenue Service challenges to compensation reasonability, to grant sweeping new audit and oversight powers to the Internal Revenue Service, to tighten substantially tax-exemption requirements for charitable hospitals, and other amendments impacting their tax-exempt status or related obligations in addition to the widely-discussed proposal to create “Consumer Operated and Oriented Plans (CO-OPs) .