SAC Lookup
==========

Look up Service Accounting Code (SAC) codes for service classification.

What is SAC?
------------

SAC codes are used to classify services for GST purposes. They help determine the correct tax rates for different types of services.

API Endpoint
------------

.. code-block:: bash

   GET /tax-lookup/v1/sac/{code}

Example Request
--------------

.. code-block:: bash

   curl -H "Authorization: Bearer YOUR_API_KEY" \
        https://api.fastgst.in/tax-lookup/v1/sac/998314

Response Format
--------------

.. code-block:: json

   {
     "sac_code": "998314",
     "description": "Software development services",
     "gst_rate": 18,
     "category": "Information Technology",
     "valid_from": "2023-01-01",
     "valid_until": null
   }

Common SAC Categories
--------------------

- **IT Services**: 9983xx series
- **Consulting**: 9982xx series
- **Transport**: 9965xx series
- **Financial**: 9971xx series

Use Cases
---------

- Service invoice generation
- Tax calculation for services
- Business classification
- Compliance reporting

SAC vs HSN
----------

- **SAC**: For services (6-digit codes)
- **HSN**: For goods (4-8 digit codes)