Rule – 11S, Computation of average of net tonnage for charter-in of tonnage

11S. The limit for charter-in of tonnage of the qualifying ships referred to in section 115VV (to be worked out according to the illustration explained in Note 6 appearing after the corresponding Form No. 66) during any previous year shall be computed by dividing the total number of chartered-in ton days by the total number of ton days operated by the company.