A person required to deliver an original sale certificate pursuant to subsection 3 of section 448.4-102 shall provide a purchaser of a unit with a copy of the original sale certificate and all amendments thereto before conveyance of that unit and not later than the date of any contract of sale. Unless a purchaser is given the original sale certificate more than ten days before execution of a contract for the purchase of a unit, the purchaser, before conveyance, may cancel the contract within ten days after first receiving the original sale certificate or five days after execution of the contract, whichever is longer.
§§ 448.4-108, RSMo