Subcontracting of production allowed in DTA with safeguards; permission subject to bona fide necessity and verification. EOUs, STP/EHTP and SEZ units may send goods out for job-work and have them returned within ninety days; value-addition figures need not be supplied with the permission application. Subcontracting of production in DTA is allowed under the Exim Policy but requires satisfaction of bonafide necessity by the jurisdictional Assistant/Deputy Commissioner, verification of antecedents, application of existing conditions including bank guarantees, and may be denied where misuse or high risk is identified.