Shiva Purana
योगपट्टप्रकारस्य विधिम्प्राप्य मुनीश्वर॥ स शिष्यस्स्याद्व्रती पूर्णः क्षौरकर्म्मोद्यतो भवेत्॥ २ ॥
O sage, after the consecration as a disciple he shall observe the other rites and get ready for the tonsorial ceremony.
english translation
yogapaTTaprakArasya vidhimprApya munIzvara॥ sa ziSyassyAdvratI pUrNaH kSaurakarmmodyato bhavet॥ 2 ॥
hk transliteration by Sanscript