In this way, until twelve days have passed, one should observe this payo-vrata, worshiping the Lord every day, executing the routine duties, performing sacrifices and feeding the brahmanas

Expressions researched:
"In this way, until twelve days have passed, one should observe this payo-vrata, worshiping the Lord every day, executing the routine duties, performing sacrifices and feeding the brahmanas"

Srimad-Bhagavatam

SB Canto 8

In this way, until twelve days have passed, one should observe this payo-vrata, worshiping the Lord every day, executing the routine duties, performing sacrifices and feeding the brahmanas.

SB 8.16.47, Translation

In this way, until twelve days have passed, one should observe this payo-vrata, worshiping the Lord every day, executing the routine duties, performing sacrifices and feeding the brahmanas.