curl --request GET \
  --url https://sandbox.nmbr.co/services/payroll/statutory_withholding_types \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "cpp",
        "label": "CPP"
      },
      "links": {
        "self": "/statutory_withholding_types/cpp"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "cpp_2",
        "label": "CPP 2"
      },
      "links": {
        "self": "/statutory_withholding_types/cpp_2"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "ei",
        "label": "EI"
      },
      "links": {
        "self": "/statutory_withholding_types/ei"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "federal_income_tax",
        "label": "Federal Income Tax"
      },
      "links": {
        "self": "/statutory_withholding_types/federal_income_tax"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "provincial_income_tax",
        "label": "Provincial Income Tax"
      },
      "links": {
        "self": "/statutory_withholding_types/provincial_income_tax"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "qpip",
        "label": "QPIP"
      },
      "links": {
        "self": "/statutory_withholding_types/qpip"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "qpp",
        "label": "QPP"
      },
      "links": {
        "self": "/statutory_withholding_types/qpp"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "qpp_2",
        "label": "QPP 2"
      },
      "links": {
        "self": "/statutory_withholding_types/qpp_2"
      }
    },
    {
      "id": "<id>",
      "object": "statutory_withholding_type",
      "data": {
        "type": "territorial_income_tax",
        "label": "Territorial Income Tax"
      },
      "links": {
        "self": "/statutory_withholding_types/territorial_income_tax"
      }
    }
  ],
  "links": {
    "first": "/statutory_withholding_types?page=1",
    "last": "/statutory_withholding_types?page=1",
    "prev": null,
    "next": null
  },
  "meta": {
    "current_page": 1,
    "last_page": 1,
    "per_page": 15,
    "total": 9,
    "has_more": false
  }
}