[557] Which is that form (rūpa) that is the basis (vatthu) of ear-contact (sotasamphassa) … of nose-contact (ghānasamphassa) … of tongue-contact (jivhāsamphassa) … of body-contact (kāyasamphassa)?
The body sense base (kāyāyatana) — this is that form that is the basis of body-contact.
Which is that form that is not the basis of body-contact?
The eye sense base (cakkhāyatana) … edible nutriment (kabaḷīkāra āhāra) — this is that form that is not the basis of body-contact.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.