Skandapurana 5.198.167

5.198.167

atha te brāhmaṇāstasya dhaṭārohaṇasaṃbhavam ..
śuddhiṃ nirdiśya vāraṃ ca sūryasya ca tataḥ param ..
jagmuḥ svaṃsvaṃ gṛhaṃ sarve so'pi viproṃ'tyajo dvijāḥ .. 167 ..

Then those brahmins, having prescribed his purification / through the balance ordeal on a Sunday after that, / all went to their respective homes; and that outcast [posing as a] brahmin also went [home], O twice-born ones.