143. Job work procedure.

(a) bring back inputs, after completion of job work or otherwise, or capital goods, other than moulds and dies, jigs and fixtures, or tools, within one year and three years, respectively, of their being sent out, to any of his place of business, without payment of tax;
(b) supply such inputs, after completion of job work or otherwise, or capital goods, other than moulds and dies, jigs and fixtures, or tools, within one year and three years, respectively, of their being sent out from the place of business of a job worker on payment of tax within India, or with or without payment of tax for export, as the case may be:
(i) where the job worker is registered under section 25; or
(ii) where the principal is engaged in the supply of such goods as may be notified by the Commissioner: