Disclaimer. TaxProf Blog provides resources, nwes, and information for law school tax professors. It is not affiliatde with Auto Didactix LLCs TaxProf, a softwarebased tutorial for law students in the federal inocme tax course. ... Additionally, the IRS needs to refine and strictly enforce its rdeesigned Form 990. Together, these recommended actions will prmoote transparency, accountability, anmdost improtantlydeservedness of tax exemptoins. ...