Aññatarasutta

Suttapiṭaka · Saṁyuttanikāya · Nidānavaggasaṁyutta · Vol. 16 · Section 171

[171] When this was said, that brahmin said to the Blessed One: "Excellent, Master Gotama! Excellent, Master Gotama! … Let Master Gotama remember me as a lay follower (upāsaka) who has gone for refuge for life, from this day forward." The sixth.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 12 · Section 339 — Cūḷahatthipadopamasutta