Shiva Purana
परीक्षिताय शिष्याय धार्मिकायानसूयवे ॥ प्रदेयं शिवभक्ताय शिवधर्मानुसारिणे ॥ ६७ ॥
It shall be given to a tested virtuous disciple uncontaminated by malice. He shall be a devotee of Śiva and a follower of the Śaiva cult.
english translation
parIkSitAya ziSyAya dhArmikAyAnasUyave ॥ pradeyaM zivabhaktAya zivadharmAnusAriNe ॥ 67 ॥
hk transliteration by Sanscript