# Peru CIIU Rev. 4 codebook

## Source
- **URL**: https://unstats.un.org/unsd/classifications/Econ/isic
- **Institution**: INEI / United Nations Statistics Division
- **Data**: A classification class with division/group hierarchy and official multilingual labels.
- **Coverage**: CIIU Rev. 4 classes and reviewed SUNAT description aliases.

## How it works
A classification class with division/group hierarchy and official multilingual labels.

Use the four-digit CIIU code or a supported normalized uppercase description alias. Preserve leading zeros.
Pattern: `^[A-Z0-9 ]+$`. Normalization: `none declared`.

Cardinality: one. Update schedule: manual.
Import time is not government observation time. No record observation field is declared; do not substitute incorporation or registration dates.

## Fields
| Field | Transport type | Meaning | Unit / format | Empty values |
|---|---|---|---|---|
| code | string | Four-digit CIIU Rev. 4 class code. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| seccion | string | CIIU section letter, A through U. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| division | string | Two-digit CIIU division code. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| division_label | string | Official Spanish division description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| grupo | string | Three-digit CIIU group code. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| grupo_label | string | Official Spanish group description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| clase_label | string | Official Spanish class description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| division_label_en | string | Official English ISIC division description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| group_label_en | string | Official English ISIC group description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| class_label_en | string | Official English ISIC class description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| mapping_method | string | OFFICIAL_CROSSWALK for official codes/labels; REVIEWED_CROSSWALK for reviewed SUNAT text aliases. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |

## Known issues
- A REVIEWED_CROSSWALK is a reviewed text alias, not an official publisher label.
- Missing records do not establish clearance. Unavailable sources must be reported separately.

## Attribution and reuse
Source: INEI / United Nations Statistics Division. https://unstats.un.org/unsd/classifications/Econ/isic.
License: No source-specific reuse license verified in this contract. (not_verified). No reuse license verified; public access does not establish unrestricted reuse rights.

## Value domains



## Contract
- Contract fingerprint: `e90ca81abee4c69e6522e9a00cccb2e275f082a14fec3ac439fc0708f92a9137`.
- Schemas and example requests: https://latinfo.dev/reference/openapi.json
- Live availability and freshness: https://api.latinfo.dev/sources