संस्थानामन्तेवासिनः संज्ञालिपिभिश्चारसंचारं कुर्युः ॥ कZ_०१.१२.११ ॥
saṃsthānām antevāsinaḥ saṃjñālipibhiś cāra-saṃcāraṃ kuryuḥ
Residents/trainees of the stations should conduct the movement of intelligence using coded signs and written messages.
A system of coded symbols and scripts for transmitting intelligence securely, reducing the risk if a courier is searched or intercepted.