The first Installment in the sum of Baht ………….. (……………………) when the Purchaser has obtained the Board of Investment ("BOI") certificate required under Clause 3 hereof payable within seven (7) business days from the date of receipt of the BOI certificate provided that Purchaser shall have received from Seller a copy of Seller's shareholders' resolutions or other satisfactory internal documentation authorising the transfer of Land to Purchaser hereunder.