# Articles

## Country Standards

France Address Standard
 How French addresses are structured, how CDQ models the postal line layout, and how CEDEX is delivered without losing the commune post code.

Germany Address Standard
 How German addresses are structured, why the locality addition is part of the name, and how the three kinds of German post code are delivered.

India Address Standard
 How Indian addresses are structured, what a PIN code encodes, and why the state and the PIN are the values to rely on.

Japan Address Standard
 How Japanese addresses are structured, how CDQ models the area levels and the block number.

Korea Address Standard
 How Korean addresses are structured, how the road name and lot number systems relate, and why an address is identified as a whole.

Portugal Address Standard
 How Portuguese addresses are structured, and how the floor and the side of the door reach two different output fields.

Thailand Address Standard
 How Thai addresses are structured, how CDQ models the four administrative levels, and which Thai reference data CDQ maintains.

United States Address Standard
 How United States addresses are structured, what the postal standard requires, and how ZIP and ZIP+4 are delivered as one value.

## Expertise

Understanding the Golden Record Fetch Strategy
 Explains how the Golden Record Fetch strategy prioritizes and selects data from multiple sources to create a unified business partner view.

Understanding the Report Configuration Matrix
 Comprehensive reference for report types, monitor dependencies, configuration fields, and available features across all report types.

## Process

Understanding the Qualification Process
 Explains Tax Guard's qualification process for EU VAT identifiers, covering profiles, decisions, features, supported data sources, and example requests/responses.

Understanding the Duplicate Guard Matching Process
 Describes how Duplicate Guard detects and manages duplicate business partners, link statuses, API responses, and available cleaners and comparators.

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