A contract of sale must include a copy of the title documents, drainage diagram and a current Zoning Certificate (section 10.7) issued by the council. If the property has a swimming pool or spa pool, there are additional documents required. If any of the required documents are not attached to the contract, the purchaser may be able to rescind the sales contract within 14 days of exchange. Property exclusions and details of the buyer’s cooling-off rights must also be included.