The surety bond or letter of credit shall be maintained until (i) the expiration of the purchaser's cancellation period, (ii) the purchaser's default under a purchase contract for the time-share estate entitling the developer to retain the deposit, or (iii) the refund of the deposit to the time-share purchaser, whichever occurs first.
For the purposes of determining the amount of any blanket letter of credit that a developer maintains in any calendar year, the total amount of deposits considered held by the developer shall be determined as of May 31 in each calendar year and the amount of the letter of credit shall be in accordance with the amount of deposits held as of May 31.
Va. Code § 55.1-2220