Magvibhaṅgasuttantabhājanīya › Saṁmādiṭṭhi

Abhidhammapiṭaka · Vibhaṅga · Vol. 35 · Section 574

[574] Therein, what is right livelihood (sammā-ājīva)? Here a noble disciple (ariyasāvaka), having abandoned wrong livelihood (micchā-ājīva), makes his living by right livelihood — this is called right livelihood.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 35 · Section 167 — Dukkhaariyasacca