law: Standards of Weights and Measures Act, 1976 
  48. Conditions under
  
  which export of non-standard weight and  measures and other goods may be made. -
  (1) Subject to such
  
  conditions, limitations and restrictions as may be prescribed, the Central
  
  Government may allow the export of any weight or measure which has been made or
  
  manufactured exclusively for export with the previous permission of that
  
  Government notwithstanding that such weight or measure does not conform to the
  
  standard established by or under this Act.
  (2) Where any
  
  commodity in packaged form is exported and the person to whom such export is to
  
  be made so requires, the exporter may, in addition to specifying the net
  
  contents of such package in terms of any standard unit of weight or measure established
  
  by or under this Act, also specify the weight or the net contents thereof in
  
  terms of such units of weight or measure as may be specified by the person to
  
  whom such commodity is to be exported.
  (3) Notwithstanding
  
  anything contained elsewhere in this Act, in relation to any goods which are
  
  exported-
  (a)
  
  Quotation of any price;
  (b)
  
  Issue of any price list, invoice or cash memo
  (c)
  
  Indication of the weight or measure or number of net contents of any package on
  
  any label, carton or other thing;
  (d)
  
  Expression of any dimension -,
  May be made in
  
  accordance with any other system of weight, measure or numeration if the person
  
  to whom the export is to be made so requires.