i department of planning and budget circle6 july 2006 rev 5 expenditure structure table contents page introduction ii a general b levels definitions coding 1 operating expenses fixed asset 22 c debt service 28 d budgetary convenience codes 30 iicircle6 budgetcircle6 the is mechanism for classifying in systematic manner different types expenditures collecting information used accounting control financial management budgeting purposes character broadest grouping based on designated use characters consist three major divisions 2 object subdivision which describes an aggregation objects 3 organization subobjects 4 subobject distinct classification code consists four digits identify following components first digit denotes