The Law Code of Devala 3.5: Bālambhaṭṭī (Lakṣmīvyākhyāna) · Dīpakalikā · Lakṣmīvyākhyāna +2

3.5

gāndharveṣu vivāheṣu punar vaivāhiko vidhiḥ | kartavyaś ca tribhir varṇaiḥ samayenāgnisākṣikaḥ

How should their bathing, how their cleansing, how their penance be? / What conduct should they adopt? Tell us that in full detail.”

In Gāndharva marriages the wedding rite is to be performed again by the three classes, by agreement, with the fire as witness.