Other exempt real estate arrangements; other exempt covenants

1. An agreement between the associations for two or more common-interest communities to share the costs of real estate taxes, insurance premiums, services, maintenance or improvements of real estate or other activities specified in the agreement or declarations does not create a separate common-interest community. If the declarants of the common-interest communities are affiliates, the agreement may not unreasonably allocate the costs among those common-interest communities. 2. An agreement between an association and the owner of real estate that is not part of a common-interest community to share the costs of real estate taxes, insurance premiums, services, maintenance or improvements of real estate, or other activities specified in the agreement, does not create a separate common-interest community. However, the assessments against the units in the common-interest community required by the agreement must be included in the periodic budget for the common-interest community, and the agreement must be disclosed in all public offering statements and resale certificates required by this chapter. 3. An agreement between the owners of separately owned parcels of real estate to share costs or other obligations associated with a party wall, road, driveway or well or other similar use does not create a common-interest community unless the owners otherwise agree. 4. As used in this section, “party wall” means any wall or fence constructed along the common boundary line between parcels. The term does not include any shared building structure systems, including, without limitation, foundations, walls and roof structures.