How to share the cost of supporting facilities for real estate development, such as property office buildings?

Measures for the allocation and distribution of public facilities fees for non-profit social public utilities.

The allocation method of supporting equipment fees should be determined according to the actual use. All of them are owned by all owners * * * or used for non-profit social public utilities. The cost of unsold construction area is 0, and the saleable construction area bears the cost of all supporting equipment. If only part of it is owned by all owners or used for non-profit social welfare undertakings, the cost of supporting facilities should be shared with the unsold construction area in proportion, and only part of the cost of supporting equipment should be borne by the saleable construction area.