Delivery of blank schedules and returns.

Each enumerator or other subordinate officer appointed under the last preceding section shall, agreeably to his instructions leave at each building or place of residence within his district, four days at least before the time appointed for the collection of the completed returns or Census, a blank schedule or return, of such form and containing such particulars as

2[the Central Government] may approve, to be duly filled up and signed by the owner, tenant or principal occupant of the said building or place or residence.