Retirement ages for tribunal members: President 65, others 62; retirement occurs on the date the age is attained, not month end. Rule 11 fixes retirement ages for Income Tax Appellate Tribunal members: the President on attaining sixty five years and the Senior Vice President, Vice President and Members on attaining sixty two years. The date of retirement is the actual date the specified age is attained and not the last date of the month, distinguishing these members from other government servants.