Reverse Charge Mechanism (RCM) on job work services supplied by an unregistered person (job worker)
Reverse Charge Mechanism (RCM) on job work services supplied by an unregistered person (job worker) to a registered person (principal) under the GST law.
⚖️ 1. Legal Provision
Under Section 9(4) of the CGST Act, 2017 and the relevant notifications,
the general rule is that supplies from an unregistered person to a registered person are not taxable under RCM, except when specifically notified.
However, job work has a special rule:
Notification No. 13/2017 – Central Tax (Rate) dated 28.06.2017,
specifies “Services by way of job work” supplied by an unregistered person to a registered person as taxable under RCM.
๐ Therefore:
If an unregistered job worker provides job work service to a registered principal → RCM applies.
๐งพ 2. Who Pays GST under RCM?
| Party | Registration Status | RCM Applicability | Who Pays GST |
|---|---|---|---|
| Principal (recipient) | Registered | ✅ Yes | Principal |
| Job worker (supplier) | Unregistered | ✅ Covered | – |
The principal (registered supplier) must:
-
Pay GST on job work charges under RCM,
-
And can claim ITC of that same tax (if used for taxable/zero-rated supplies).
๐ฐ 3. Tax Rate under RCM (Job Work Services)
| Type of Job Work | GST Rate (RCM) |
|---|---|
| Job work on textiles, garments, apparel, fabrics, yarn | 5% |
| Job work on metals, machinery, tools, etc. | 12% or 18% (based on nature) |
| Job work relating to printing, cutting, polishing, assembling, etc. | As per relevant HSN 9988 |
๐น Use SAC 9988 (Manufacturing Services on Physical Inputs owned by Others).
๐งฎ 4. Example
Scenario:
-
Registered principal (Mr. Manoj C / Pallassana Chandran Kathikal) sends blades to an unregistered job worker for sharpening.
-
Job work charges = ₹10,000
-
Applicable GST rate = 12%
Calculation:
| Particular | Amount (₹) |
|---|---|
| Job work value | 10,000 |
| GST @12% (RCM) | 1,200 |
| Total GST payable under RCM | ₹1,200 |
Principal pays ₹1,200 under RCM and can claim ITC in the same month.
๐ 5. Accounting Treatment
| Entry | Debit (₹) | Credit (₹) |
|---|---|---|
| Job work expense | 10,000 | |
| CGST payable under RCM | 600 | |
| SGST payable under RCM | 600 | |
| To Job worker | 10,000 | |
| To GST Output Liability (RCM) | 1,200 |
After paying GST in cash:
| Entry | Debit (₹) | Credit (₹) |
|---|---|---|
| Input CGST | 600 | |
| Input SGST | 600 | |
| To GST Liability | 1,200 |
๐ 6. Documents Required
| Document | Issued by | Purpose |
|---|---|---|
| Delivery Challan (Rule 55) | Principal | For sending goods to job worker |
| Job Work Bill/Receipt | Job worker (unregistered) | Non-GST bill for labour charges |
| Self-invoice (Rule 46) | Principal | Since supplier is unregistered |
| Payment Voucher | Principal | Record of payment to job worker |
๐งพ Both “Self-Invoice” and “Payment Voucher” are mandatory under RCM.
๐ 7. Return Reporting
| Form | Who Files | Where to Report |
|---|---|---|
| GSTR-3B | Principal |
-
Table 3.1(d): Tax under RCM
-
Table 4A(3): ITC on inward supplies liable to RCM |
| GSTR-1 | Principal | Not required for RCM |
| ITC-04 | Principal | Goods movement to/from job worker |
⏳ 8. Time Limit for Return of Goods (Section 143)
| Type of Goods | Must Return Within | If not returned |
|---|---|---|
| Inputs | 1 year | Treated as supply → GST payable |
| Capital goods | 3 years | Treated as supply → GST payable |
⚠️ 9. Key Compliance Points
✅ Job worker can remain unregistered if total turnover < ₹20 lakh (₹40 lakh for goods).
✅ Principal must issue Delivery Challan, Self-Invoice, Payment Voucher.
✅ Maintain stock and ITC-04 records for goods sent and received.
✅ Pay GST under RCM → then claim full ITC if goods used for taxable/export supply.
✅ 10. Summary Table
| Party | GST Registration | Tax Mechanism | Who Pays GST | Rate | ITC Eligible? |
|---|---|---|---|---|---|
| Job worker | Registered | Forward charge | Job worker | 5% / 12% | Yes (principal) |
| Job worker | Unregistered | Reverse charge (RCM) | Principal | 5% / 12% | Yes |
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