कालिङ्गकस्तापीपाषाणो वा मुद्गवर्णो निकषः श्रेष्ठः ॥ कZ_०२.१३.२१ ॥
kāliṅgakas tāpīpāṣāṇo vā mudgavarṇo nikaṣaḥ śreṣṭhaḥ
কালিঙ্গক ধৰণৰ বা তাপী-পাথৰ—মুগৰ ৰঙৰ—শ্ৰেষ্ঠ টাচ্ষ্টোন।
To standardize equipment across officials and marketplaces so results are comparable and legally defensible.