The requirements of this chapter shall not apply to any conveyance if the deed contains an express condition that the parties to it covenant that no building will be erected on this land during ownership by the grantee which will require sanitary sewage disposal, and a statement to that effect is filed with the department of environmental management. These requirements shall not apply to that portion of any tract of land in the conveyance upon which no building is to be erected.
R.I. Gen. Laws § 23-19.5-5