Anandakanda 1.15.91

1.15.91

saṃvatsarājjarāṃ hanyājjīvedācandratārakam /
oṃ amṛtaṃ kuru kuru amṛteśvarāya svāhā /
etanmantraṃ japedādau devadālyupayogake //

after one year it destroys senescence, and he lives as long as the moon and stars endure. / “Oṃ, make immortality, make it, to the Lord of Immortality, svāhā!” / One should first recite this mantra when using devadālī.