participant?
At any time after you enter into a lower tier covered transaction with a person at a higher tier, you must provide immediate written notice to that person if you learn either that--
(a) You failed to disclose information earlier, as required by Sec. 105-68.355; or
(b) Due to changed circumstances, you or any of the principals for the transaction now meet any of the criteria in Sec. 105-68.355.