definiens: or means any and all taxes, a ssessments, levies, tariffs, duties or other charge s or impositions in the nature of a tax imposed by an y Governmental Authority, including, without limita tion, income, gross receipts, license, payroll, employmen t, excise, severance, stamp, occupation, premium, w indfall profits, environmental, franchise, profits, withhol ding, social security ( or similar ), unemployment, d isability, real property, personal property, sales, use, transfer, real property transfer, recording, registration, va lue added, alternative or add - on minimum, estimated, or other tax of any kind whatsoever ( whether payable directl y or by withholding and whether or not requiring the filing of a Tax Return ), including any interest or penalt y thereon or addition thereto and any interest in respect of suc h additions or penalties, and for greater certainty will also include all Canada Pension Plan and other pension p lan premiums or contributions imposed by any Governmental Authority, employment insurance premiu ms, and provincial workers ’ compensation payments