Kerala Legal Metrology (Enforcement) Rules, 2012 : Schedule X

User fee : Rs 5 per 100 litre
Stamping fee : Rs 50 for the first 100 litre plus Rs 7 for the additional 100 l or part thereof subjected to a maximum of Rs 5000.

Normally, in a tank lorry, there can be 3 compartments of 4000 l each. For a 12 kl tank, the UF + SF comes around Rs 1500. It has to be stamped annually.

Penalty

Use of unverified vehicle tank for transaction is punishable under Sec 24 r/w 33 of the Legal Metrology Act, 2009.

Kerala Legal Metrology Department has got three Tank calibration units at Thiruvananthapuram, Kochi and Kozhikode.