Skandapurana 5.225.12

5.225.12

nārāyaṇabaliḥ kāryaḥ pretatvasya vināśakaḥ ..
yathānyeṣāṃ manuṣyāṇāmapamṛtyumupeyuṣām ..
kāryaścaivātmahaṃtṝṇāṃ brāhmaṇānmṛtyumīyuṣām .. 12 ..

the Nārāyaṇabali must be performed, which destroys the state of being a preta; / just as for other men who have met with an untimely death, / and it should also be performed for those who commit suicide, [or] who die at the hands of a brahmin. / 12