四分比丘戒本疏 1.37

1.37

第四、歎身索供養戒。假託佛法方便誘誦，不擬犯重，故但僧殘。

The fourth is the precept on praising oneself to solicit offerings. Using the Buddha's Dharma as a pretext to subtly seduce, without intending to commit a grave offence, therefore incurs only a saṃghāvaśeṣa.