definiens: or means all federal, state, local and non - U.S. income, profits, franchise, gross receipts, license, environmental, customs duty, capital stock, severance, occupation, premium, windfall profits, social security ( or similar ), stamp, payroll, sales, employment, unemployment, disability, use, property, escheat, unclaimed property, registration, withholding, excise, production, value added, ad valorem, occupancy, alternative or add - onminimum, estimated, transfer, and other taxes, duties or assessments of any nature whatsoever, together with all interest, penalties or additions to tax attributable to such taxes and any Liabilityfor taxes of another Person by Contract, as a transferee or successor, under TreasuryRegulations § 1.1502 - 6 or analogous state, local or non - U.S. Law, or otherwise, whether disputedor not