पुराणप्रतिसंस्कारं कर्म गुह्यमुपस्करान् ॥ कZ_०२.११.११८ ॥
purāṇapratisaṃskāraṃ karma guhyam upaskarān
पुराणप्रतिसंस्कारं कर्म गुह्यम् उपस्करान्॥
Refurbishment can be legitimate, but undisclosed reworking distorts price, taxes, and state procurement decisions; disclosure protects revenue and trust.