65 . Since the issuance of its first report on the proposed programme budget for the biennium 2006-2007,3 the Advisory Committee has submitted reports to the following United Nations bodies : ( a ) The Executive Board of the United Nations Development Programme ( UNDP ) and of the United Nations Population Fund ( UNFPA ) : ( i ) UNFPA : report on UNFPA regionalization : towards a stronger field-centred and results-oriented organization ( DP/FPA/2007/3 ) ;