sentences:  They used part of their buildings for diplomatic business, and another part to house lower-level diplomatic staff, who did not pay rent.Under New York law, real property owned by foreign governments was exempt from taxation if it was "used exclusively" for diplomatic offices or for the quartering of diplomats "with the rank of ambassador or minister plenipotentiary" to the United Nations.If the foreign government only used part of its property for these purposes, then the remainder of the property was subject to taxation.