<h1>Challan for removal of inputs to job-worker requires controlled movement and recordkeeping under Cenvat Credit rules.</h1> A challan is required for movement of inputs or partially processed goods to a job-worker under Rule 4(6) of the Cenvat Credit framework and must reference the Principal Commissioner's permission. The form is structured in three parts: Part I records the principal manufacturer's shipment details, identification, quantity, value, tariff classification, process instructions, expected duration and job-worker details; Part II is completed by the processing factory to record receipt, identification numbers, quantities entered in account, processes performed and waste disposal; Part III is returned to the parent factory to record return receipt, stock entries, invoice for clearance, duty particulars and export documents.