[1733] An unfixed phenomenon (aniyata dhamma) is a condition for an unfixed phenomenon by kamma condition (kamma-paccaya): conascent and asynchronous.
Conascent: unfixed volition (cetanā) is a condition, by kamma condition, for the associated aggregates and for forms originated by mind (cittasamuṭṭhāna-rūpa); at the moment of rebirth-linking (paṭisandhi) …
Asynchronous: unfixed volition is a condition, by kamma condition, for the resultant (vipāka) aggregates and for kamma-born forms (kaṭattā-rūpa).
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.