Get SAC Hierarchy
=================

This section explains how to retrieve the hierarchical structure of SAC codes.

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

SAC hierarchy shows the classification structure of services, organized in levels:
- **Section** (2 digits): Broad category of services
- **Group** (4 digits): Specific group within section
- **Service** (6 digits): Detailed service classification

Hierarchy Levels
---------------

**Section Level (XX0000)**
- 99: Services not elsewhere specified
- 98: Services of private households
- 97: Services of households as employers

**Group Level (XXXX00)**
- 9983: Domestic services
- 9982: Services provided by extra-territorial organizations
- 9981: Services provided by extra-territorial organizations

**Service Level (XXXXXX)**
- 998311: Domestic services
- 998312: Other domestic services
- 998313: Additional domestic services

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

.. code-block:: bash

   GET /api/v1/sac/{sac_code}/hierarchy

Parameters
----------

- **sac_code** (path): The SAC code to get hierarchy for
- **level** (query, optional): Hierarchy level to return (section, group, service, all)

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

.. code-block:: bash

   GET /api/v1/sac/998311/hierarchy?level=all

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

.. code-block:: json

   {
     "status": "success",
     "sac_code": "998311",
     "hierarchy": {
       "section": {
         "code": "99",
         "description": "Services not elsewhere specified"
       },
       "group": {
         "code": "9983",
         "description": "Domestic services"
       },
       "service": {
         "code": "998311",
         "description": "Domestic services"
       }
     }
   }