पञ्चरात्रिकं तनुरागं षड्रात्रिकं नीलं पुष्पलाक्षामञ्जिष्ठारक्तं गुरुपरिकर्म यत्नोपचार्यं जात्यं वासः सप्तरात्रिकम् ॥ कZ_०४.१.१९ ॥
pañcarātrikaṃ tanurāgaṃ ṣaḍrātrikaṃ nīlaṃ puṣpalākṣāmañjiṣṭhāraktaṃ guruparikarma yatnopacāryaṃ jātyaṃ vāsaḥ saptarātrikam
A light dyeing is to be completed in five nights; indigo dyeing in six nights. Dyeing with flower-dye, lac, and madder-red—being a heavy process requiring careful treatment—and fine-class cloth is to be completed in seven nights.
To create enforceable service standards—so delays, fraud, or under-processing can be detected and penalized, and wages/liability can be computed against a known benchmark.