On the commencement of this part, a referral or purported referral to which section 386 applies is taken to be—
(a) to the extent the referral identified a particular incident of major crime to be investigated by the commission—a specific referral by the reference committee to the commission under section 27; or
(b) to the extent the referral otherwise identified major crime to be investigated by the commission—a general referral by the reference committee to the commission under section 27.