Kurmapurana 2.23.84

Kūrmapurāṇa 2.23.84

evaṃ mṛtāhni kartavyaṃ pratimāsaṃ tu vatsaram /
sapiṇḍīkaraṇaṃ proktaṃ pūrṇe saṃvatsare punaḥ //