[29] A root phenomenon (hetu-dhamma) is a condition for a root phenomenon by faculty condition (indriya-paccaya): in the root-based section (hetumūlaka), three.
A non-root phenomenon is a condition for a non-root phenomenon by faculty condition: the non-root faculties (indriya) are a condition for the associated (sampayuttaka) aggregates (khandha) and for mind-originated forms (cittasamuṭṭhāna-rūpa) by faculty condition; at the moment of rebirth-linking (paṭisandhikkhaṇa), the material life-faculty (rūpa-jīvitindriya) is a condition for kamma-born forms (kaṭattārūpa) by faculty condition.
Thus the faculty condition should be expanded in detail. Nine.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.