<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Structure of the natural person identifier</title></section><section id="sec_5"><label>5</label><title>Check digits</title><section id="sec_5.1"><label>5.1</label><title>General</title></section><section id="sec_5.2"><label>5.2</label><title>Calculating the check digits</title></section></section><section id="sec_6"><label>6</label><title>Natural person identifier data record</title></section><section id="sec_A"><label>Annex A</label><title>NPI check digit validation example (informative)</title><section id="sec_A.1"><label>A.1</label><title>Calculation</title></section><section id="sec_A.2"><label>A.2</label><title>Validation</title><section id="sec_A.2.1"><label>A.2.1</label><title>Example with correct check digits</title></section><section id="sec_A.2.2"><label>A.2.2</label><title>Example with incorrect check digits</title></section><section id="sec_A.2.3"><label>A.2.3</label><title>Example with incorrect check digits</title></section></section></section><section id="sec_B"><label>Annex B</label><title>Conceptual diagrammatic expression (informative)</title></section><section id="sec_C"><label>Annex C</label><title>Type of name (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>