依据北京市房改办公室的规定,北京市职工在购买自住的公有楼房时,须交纳公共维修基金。去年公共维修基金的收取标准为每建筑平方米42元,可由购房人和售房单位各交纳50%。公共维修基金主要用于支付楼房公用部位和共用设施、设备的维修费用,采用专户方式存入指定的资金管理机构, According to Beijing Municipal Housing Reform Office regulations, Beijing employees in the purchase of self-owned public buildings, to pay public maintenance fund. Public maintenance fund last year, the standard for 42 yuan per square meter of construction, by the buyers and 售房 units pay 50% each. Public maintenance fund is mainly used to pay for the common parts of buildings and shared facilities, equipment maintenance costs, using special accounts deposited into the designated fund management agencies,