Service Accounting Code 999421 falls under Section 9994 — sewage and waste collection, treatment and disposal and other environmental protection services of the Indian GST classification for services.
Check the current GST rate on CBIC
India's GST rate structure was rationalised in September 2025. To stay accurate, we link straight to the official source rather than caching a rate that could drift. See current rate on cbic-gst.gov.in →
Where this code sits
Related services under section 9994
999411
Sewerage and sewage treatment services
999412
Septic tank emptying and cleaning services
999413
Septic tank emptying and cleaning services
999419
Other sewerage, sewage treatment and septic tank cleaning services
999422
Collection services of non-hazardous recyclable materials
999423
General waste collection services, residential
999424
General waste collection services, other nowhere else classified
999429
Other sewage and waste collection services
999431
Waste preparation, consolidation and storage services
999432
Hazardous waste treatment and disposal services
999433
Non-hazardous waste treatment and disposal services
999439
Other waste treatment and disposal services
999441
Site remediation and clean-up services
999442
Containment, control and monitoring services and other site remediation services
999443
Building remediation services
999449
Other remediation services nowhere else classified
999451
Sweeping and snow removal services
999459
Other sanitation services nowhere else classified
999490
Other environmental protection services nowhere else classified
999491
Services by way of treatment or disposal of biomedical waste or the processes incidental thereto by a common biomedical waste treatment facility to a clinical establishment.
999499
Other environmental protection services nowhere else classified
How to use SAC code 999421
Use SAC 999421 on tax invoices for this category of service supply. The Service Accounting Code is mandatory on B2B invoices and flows into your GSTR-1 services HSN summary and e-invoice payload. Choose the SAC that most specifically matches the service you've actually rendered — getting it right keeps your filings clean and avoids notices.
Use this in QwikBills
SAC 999421 pre-loaded on your service items. GST classification, e-invoicing, and GSTR-1 — sorted.
Start free