Section 46(7) in Andhra Pradesh Excise (Grant of licence to sell Toddy, Conditions of Licence and Tapping of Excise Trees) Rules 2007
(7)The incision shall not be cut to a greater depth than one half of the diameter of the tree. In marking the incision, the tappers shall see that a medium ridge (vertical ridge in the shape of a nose) is left in the middle of each incision.
