The provisions of section 163 of the Act do not require that, the liability of the non-resident to pay tax should be established before initiating proceedings under section 163 of the Act on a person to treat it as the agent or representative assessee of the non-resident. The purpose of section 163 of the Act was to enable revenue authorities to proceed and impose a vicarious liability on a person regarded as agent, in an event when income was found to be taxable in the hands of the non-resident.
The taxability of income in the hands of a non-resident was to be determined in separate assessment proceedings, made directly in the hands of the nonresident (section 166 of the Act) or in the hands of the person treated as agent of the non-resident (section 160 of the Act read with section 163 of the Act)
· If any of the parameters in section 163 (1) (a) to (d) of the Act are satisfied, a person can be regarded as an agent of the non-resident. In this case, the assessee can be treated as an agent of Airline Rotables Ltd., UK ,
– As sufficient nexus existed between the business of





