43For more information about the analytical framework for assessing Social Security reform proposals offered by GAO , see Social Criteria for Evaluating Social Security Reform Proposals ( GAO / T-HEHS-99-94 , March 25 , 1999 ) and Social Evaluating Reform Proposals ( GAO / AIMD / HEHS-00-29 , November 4 , 1999 ) .
The proposals with more information were updated in 1999 ut were originally written earlier .