Matsya Purana 100.38

100.38

iti kaluṣavidāraṇaṃ janānāmapi paṭhati śrṛṇoti cātha bhaktyā.
matimapi ca dadāti devaloke vasati sa koṭiśatāni vatsarāṇām.. 100.37 ..

"One who reads, listens to or produces in others a desire to observe this ordinance, which dispels all sins, remains in the heaven for a hundred crores of years."—37.