# Introduction

## Customs Management System

P4 Customs is a complete customs management solution for importers, fully integrated with **P4 Warehouse**, our warehouse management system.

With P4 Customs, importers can manage their customs warehouses and handle customs contracts from start to finish — covering every step of the import process.

***

## About This Documentation

The data shown throughout this manual is included for demonstration purposes only, as test examples to help users become familiar with the system's functionality. It does not represent real information. Names, codes, companies, importers, and other records are fictitious and should not be interpreted as actual customer, supplier, or transaction data. This content allows users to understand the process flow without any risk of affecting real data.

***

## Manual Structure

| Section                                                                         | Description                                                     |
| ------------------------------------------------------------------------------- | --------------------------------------------------------------- |
| [Configuration](https://docs.p4.software/english-2/configuration/configuration) | System settings, reports, and workflow configuration            |
| [Master Data](https://docs.p4.software/english-2/master-data/master-data)       | Importers, warehouses, clients, freight providers, and products |
| [Inbound](https://docs.p4.software/english-2/inbound/inbound)                   | Contracts and purchase order receipts                           |
| [Outbound](https://docs.p4.software/english-2/outbound/outbound)                | Exit invoices and shipping documents                            |