Natyashastra
सप्ताङ्गं द्वादशकलं द्वादशाङ्गे तथैव च । निष्क्राममादितः कृत्वा शम्यास्तिस्रः प्रयोजयेत् ॥ २८३॥
The Saṃpiṣṭaka consisting of seven limbs should have twelve Kalās, and that with twelve limbs should also be made the same way. Beginning with the Niṣkrāma, three Śamyās are to be applied.
english translation
saptAGgaM dvAdazakalaM dvAdazAGge tathaiva ca । niSkrAmamAditaH kRtvA zamyAstisraH prayojayet ॥ 283॥
hk transliteration by Sanscript