शुल्काध्यक्षः शुल्कशालां ध्वजं च प्रान्मुखमुदन्मुखं वा महाद्वाराभ्याशे निवेशयेत् ॥ कZ_०२.२१.०१ ॥
śulkādhyakṣaḥ śulkaśālāṃ dhvajaṃ ca prānmukham udanmukhaṃ vā mahādvārābhyāśe niveśayet
関税監督官は、関所(税関所)と、旗(合図)を、東向きまたは北向きにして、大門の近くに設けるべきである。
It concentrates inspection at the chokepoint where goods and traders must pass, improving compliance and reducing evasion.
It acts as a visible state signal marking the official point of assessment/inspection, guiding traders and legitimizing enforcement.
It standardizes public architecture and procedure—reducing ambiguity and reinforcing uniformity of state practice across towns.