Shiva Purana
ततः पूर्णाहुतिं दत्त्वा प्रायश्चित्ताय देशिकः ॥ पुनर्दशाहुतीन्कुर्यान्मूलमंत्रेण मंत्रवित् ॥ ४४ ॥
Then the priest should offer the complete oblation for atonement A mantra-wise person should again chant the ten oblations with the root mantra.
english translation
tataH pUrNAhutiM dattvA prAyazcittAya dezikaH ॥ punardazAhutInkuryAnmUlamaMtreNa maMtravit ॥ 44 ॥
hk transliteration by Sanscript