Job Work Under GST — Section 143 Complete Guide

NO — sending goods to a job worker is NOT a supply under GST and attracts ZERO tax: LEGAL BASIS: Section 143 CGST Act specifically exempts movement of goods to job worker from GST: 'Notwithstanding anything contained in this Act, a registered person (principal) may send any inputs or capital goods, without payment of tax, to a job worker for job work.' WHY NO TAX: (1) Ownership doesn't transfer — goods remain property of principal; (2) It's a bailment (temporary possession), not a sale; (3) Job worker is merely providing a service (processing), not buying goods; (4) If taxed on both legs (sending and receiving back), it creates cascading — which GST was designed to eliminate. WHAT IS TAXED: Only the JOB WORK CHARGES (processing/making charges) attract GST. This is the SERVICE provided by job worker. Example: Send ₹10L worth of steel to fabricator → NO GST on sending; Fabricator charges ₹2L for welding/cutting → 12% GST on ₹2L (₹24,000); Total GST: Only ₹24,000 (not on ₹10L material value). DOCUMENTS REQUIRED FOR TAX-FREE MOVEMENT: (1) Delivery Challan (Rule 55 of CGST Rules) — NOT an invoice; (2) E-way Bill if value of goods > ₹50,000; (3) Challan must contain: description, quantity, value, HSN code, principal's GSTIN, job worker's address. IMPORTANT EXCEPTION: If goods NOT returned within time limit (1 year for inputs, 3 years for capital goods) → DEEMED SUPPLY on original date of dispatch. GST becomes payable retrospectively with interest from that date.

If goods are NOT returned within the prescribed time limit, it's treated as a DEEMED SUPPLY — with retrospective tax implications: FOR INPUTS (1 year limit): (1) Goods deemed supplied on the DATE THEY WERE ORIGINALLY SENT (not the date time limit expires); (2) GST payable at rate applicable on that date; (3) Interest charged from that date (currently 18% p.a.); (4) Value for GST: Transaction value of goods on date of dispatch; (5) Principal must issue invoice, pay tax + interest, report in GSTR-1 of the period when time limit expired. FOR CAPITAL GOODS (3 year limit): (1) Deemed supplied at BOOK VALUE on date of dispatch; (2) ITC already claimed on purchase must be reversed proportionally; (3) GST payable on book value + interest from original dispatch date; (4) Depreciation between dispatch and time limit expiry doesn't help — value is calculated on dispatch date. EXTENSION MECHANISM: Commissioner can extend time limits on written application before expiry: Inputs: 1 year extendable by additional 1 year (total 2 years); Capital goods: 3 years extendable by additional 2 years (total 5 years); CONDITION: Must show 'sufficient cause' — e.g., complex job, natural disaster, force majeure. PRACTICAL CONSEQUENCES: (1) Principal loses ITC benefit of job work (paying more tax than needed); (2) Interest @ 18% can be substantial for high-value goods; (3) May trigger scrutiny/audit if frequent occurrences; (4) Job worker NOT liable — it's the principal's responsibility to track timelines. COMMON SCENARIO: Engineering dies/moulds sent for maintenance — if maintenance takes >1 year, deemed supply triggered. SOLUTION: Use specific exemption for moulds/dies (no time limit) or get extension before expiry.

YES — this is one of the most useful provisions in GST job work law (Section 143(1)(b) read with proviso): HOW DIRECT SUPPLY WORKS: (1) Principal sends goods to job worker; (2) After processing, goods shipped DIRECTLY from job worker's premises to the buyer; (3) PRINCIPAL raises the invoice (not job worker) — because ownership is with principal; (4) Delivery shown as 'dispatched from job worker address'; (5) Job worker separately invoices processing charges to principal. E-WAY BILL DETAILS: (1) Bill From: Principal's address + GSTIN; (2) Ship From: Job worker's address; (3) Ship To: Buyer's address; (4) Transaction Type: Regular B2B supply; (5) Common confusion: Job worker's address as 'dispatch from' is perfectly legal. WHO NEEDS TO BE REGISTERED: (1) Principal: MUST be registered (no threshold exemption for this); (2) Job Worker: Registration required ONLY if annual turnover > ₹20L (₹10L for special category); (3) EXCEPTION: If goods are hazardous/notified goods — both must be registered regardless of turnover. TAX IMPLICATIONS: (1) Principal charges buyer: GST on full value (material + processing + margin); (2) Job worker charges principal: GST on processing charges only; (3) Principal claims ITC on job work charges; (4) No double taxation — efficient chain. PLACE OF SUPPLY DETERMINATION: (1) Place of supply = buyer's location (normal rules apply); (2) NOT job worker's location; (3) IGST vs CGST/SGST determined by comparing PRINCIPAL's state vs BUYER's state (job worker's state irrelevant). PRACTICAL BENEFITS: (1) Saves transportation cost (no need to bring back to principal, then ship to buyer); (2) Saves time — faster delivery; (3) Reduces handling damage; (4) Common in auto industry — components manufactured at job worker shipped directly to OEM assembly line.

This distinction is CRITICAL because it determines GST rate (5-12% for job work vs 18% for manufacturing) and ITC eligibility: JOB WORK DEFINITION (Section 2(68) CGST Act): 'Job work means any treatment or process undertaken by a person on goods belonging to another registered person.' Key elements: (1) Goods MUST belong to another person (principal); (2) Principal retains ownership throughout; (3) Job worker applies labour/processing/treatment; (4) Finished goods may or may not be a distinct commodity. MANUFACTURING: (1) Manufacturer OWNS the raw materials; (2) Manufacturer sells finished goods under own brand; (3) Full ownership and risk throughout production; (4) Manufacturer is the principal — no job work relationship. THE GRAY AREA — When job work BECOMES manufacturing: (1) If job worker adds substantial material (>40% of total value by some interpretations); (2) If resulting product is a completely NEW commodity (different HSN at 4-digit level); (3) If agreement is for 'purchase and sell back' rather than 'process and return' — substance over form. TAX RATE IMPLICATIONS: Pure job work (textile): 5%; Manufacturing job work (fabrication into new article): 12%; Contract manufacturing (job worker provides all materials, principal only provides specifications): 18% — treated as composite supply of goods + services. LANDMARK RULINGS: (1) Prestige Engineering (2020): CNC machining from blocks to auto parts = job work at 12% (not 18%); (2) JK Cement (2021): Grinding of clinker into cement AT CLIENT'S PREMISES = manufacturing (18%); (3) Kansai Nerolac (2022): Paint mixing/tinting at depot = job work (12%) even though color is 'new product'. PRACTICAL TEST: Ask: 'Who owns raw materials during processing?' → If PRINCIPAL owns → job work. → If PROCESSOR purchased materials → manufacturing/trading.

ITC on job work involves TWO separate aspects — ITC on goods purchased for sending to job worker, and ITC on job work charges paid: ITC ON GOODS (purchased by principal, sent to job worker): Section 19(5) CGST Act allows principal to claim ITC on inputs/capital goods EVEN THOUGH goods are physically at job worker's premises. Requirements: (1) Invoice in principal's name (GSTIN); (2) Delivery can be directly to job worker (Bill To: Principal, Ship To: Job Worker); (3) Must be returned within time limit (1 year/3 years); (4) Job worker need NOT be registered for principal to claim ITC. ITC ON JOB WORK CHARGES (processing fees): Normal ITC rules apply — principal claims ITC on GST charged by job worker on processing invoice. Requirements: (1) Tax invoice from job worker; (2) GST actually paid by job worker; (3) Reported in GSTR-2B of principal; (4) Principal must have received the services (goods processed). SPECIAL SITUATIONS: (1) MULTIPLE JOB WORKERS IN CHAIN: Goods can go Principal → JW1 → JW2 → JW3 → Return to Principal. ITC maintained throughout chain. Each job worker invoices processing to principal (not to each other). Time limit of 1 year starts from FIRST dispatch by principal; (2) SCRAP/WASTE at job worker: If scrap generated — job worker can sell directly. GST paid by job worker. Principal must include this in ITC-04 reconciliation; (3) GOODS LOST AT JOB WORKER: If goods are lost/damaged/stolen at job worker → ITC must be reversed (Section 17(5)(h)). Insurance claim doesn't affect ITC reversal. COMPLIANCE REQUIREMENTS: (1) Maintain stock register of goods at job worker; (2) File ITC-04 annually/half-yearly; (3) Reconcile physical stock vs challan records; (4) Get confirmation from job worker for goods held. COMMON MISTAKES: (1) Sending goods on invoice instead of challan → treated as sale (GST charged unnecessarily); (2) Missing 1-year deadline → ITC reversed + interest; (3) Not filing ITC-04 → ₹200/day penalty; (4) Job worker not showing goods in his books → discrepancy during audit of both parties.