पृषतकाचकर्मणः त्रयो हि भागाः परिभाण्डं द्वौ वास्तुकं चत्वारो वा वास्तुकं त्रयः परिभाण्डम् ॥ कZ_०२.१३.४३ ॥
pṛṣata-kāca-karmaṇaḥ trayo hi bhāgāḥ paribhāṇḍaṃ dvau vāstukaṃ catvāro vā vāstukaṃ trayaḥ paribhāṇḍam
For speckled/patch-work glass production: (one standard is) three parts for “paribhāṇḍa” and two parts for “vāstuka”; alternatively, four parts for “vāstuka” and three parts for “paribhāṇḍa”.
The state specifies acceptable standards/ranges by product class, allowing controlled flexibility while keeping audits possible.