Understanding Job Work under GST: Rules, Compliance & Benefits
Job work is extremely important under GST for manufacturers who have processes outsourced such as painting, polishing, assembling, or packaging. Rather than having huge in-house facilities, a lot of companies send products to job workers and then get them back in semi-finished or finished state.
But here’s the catch: Job work GST compliance has certain provisions pertaining to challans, ITC, returns, and timelines. Anything wrong and there will be penalties or Blocked input tax credit.

What is Job Work under GST?
According to Section 2(68) of the CGST Act, job work refers to any treatment or process carried out by a person on goods owned by another registered person.
- Principal manufacturer: The owner of the goods.
- A job worker: The individual who conducts the process on such goods.
Example: A textile mill supplies fabric to a dyeing unit. The dyeing unit is the job worker.
Registration Requirement for Job Work
- A job worker is required to register under GST if their aggregate turnover is above the specified threshold (₹40 lakhs for goods, ₹20 lakhs for services, with state-wise differences).
- If turnover below threshold → registration not required.
Documentation: Challans & Invoices
- Materials sent for job work shall be transferred under a delivery challan drawn by the principal.
- Job worker shall return material within 1 year (inputs) or 3 years (capital goods).
- If not returned → it is classified as a deemed supply and GST obligation arises.
ITC (Input Tax Credit) on Job Work
- Principal manufacturer is entitled to claim ITC on inputs/capital goods supplied to a job worker, even though the goods are supplied directly to job worker’s premises without first arriving at the principal’s location.
- ITC is not reclaimed provided the goods revert within the time frame specified.
Compliance Requirements for Job Work under GST
1.GST ITC-04 Form:
o The principal has to submit quarterly details of goods sent/received from job workers.
2. Liability of Job Worker:
o If a job worker offers services (such as repair, testing, packing), GST is applicable on the service charges.
3.Valuation:
o GST will be paid only on the charges of job work, but not on the value of goods received.
Advantages of Job Work under GST
- Production flexibility without having infrastructure.
- Uninterrupted flow of ITC → no dual taxation.
- Forces MSMEs and specialized units to expand under GST environment.
Challenges Businesses Encounter in Job Work Compliance
- Missed filing of ITC-04 → results in notices.
- Delay in the return of goods → results in deemed supply liability.
- Misconception between goods movement challan vs invoice.
- Sustaining proper reconciliation between GST returns (GSTR-1, 3B, ITC-04).
Key Takeaways (Facts & Stats)
- ₹40 Lakh is the threshold for GST registration for job workers (for goods).
- 1 year / 3 years: Inputs and capital goods should return within these timeframes.
- Form GST ITC-04 is required to monitor movement of goods in case of job work.
- According to CBIC statistics, errors in compliance in ITC-04 filings are among the top 5 GST notice triggers for manufacturers.
How Cretum Advisory Can Assist You with Job Work under GST?
Job work provisions seem to be easy but errors in compliance end up costing businesses ITC and unnecessary notices. That’s where Cretum Advisory comes in.
We help with:
- GST Registration of job workers and principals
- Preparing and authenticating delivery challans & invoices
- Filing Form ITC-04 and GST returns (GSTR-1, GSTR-3B)
- Reconciliation of ITC for goods sent/received under job work
- Guidance on job work agreements, valuation, and accounting
- GST Audit & Litigation assistance for litigations related to non-compliance in job work
Our experts will keep you compliant so you can concentrate on production and business development.
The Final Thought
Job work is an essential GST mechanism for manufacturers and MSMEs to scale up cost-effectively. But when there are timelines, challans, ITC, and returns to be dealt with, companies need to be careful. With the right advisory guidance, you can avoid notices, get ITC assured, and ensure maximum tax efficiency.
FAQs on Job Work under GST
Q1. Is GST charged on job work charges?
Yes, GST is charged on the service fees levied by the job worker.
Q2. Who needs to file GST ITC-04?
The principal manufacturer has to file ITC-04.
Q3. Is dispatch direct from goods to job worker possible before reaching the principal?
Yes, GST permits direct dispatch to a job worker. ITC can be claimed.
Q4. If goods are not returned within 1 year/3 years?
It is considered a supply, and GST liability for the principal is triggered.
Q5. Is e-way bill necessary for movement of job work?
Yes, if the consignment value is more than ₹50,000.