The NAV Portal Customization extension provides comprehensive customization and functionality specifically designed for the Norwegian Labour and Welfare Administration (NAV) data portal, implementing specialized features, Norwegian government branding, and integration with NAV’s digital infrastructure and administrative systems for enhanced public service delivery and transparency. This specialized extension incorporates NAV-specific visual identity including official colors, logos, typography, and design patterns while maintaining compliance with Norwegian government digital service guidelines and accessibility standards (WCAG). The system includes custom page layouts optimized for welfare and employment data presentation, specialized templates for NAV datasets, and integration with Norway’s digital government ecosystem. Advanced features include Norwegian language localization with NAV-specific terminology, specialized content management for government communications, and enhanced navigation structures tailored to citizen needs for accessing employment, welfare, and social security information. The extension provides specialized widgets for displaying NAV statistics, employment data, and welfare information with visual representations appropriate for public understanding of government services. Customizations include NAV-specific dataset categories, enhanced search functionality with welfare and employment filtering, and mobile-optimized interfaces for citizen access to government services. Integration capabilities include connections to NAV’s internal systems, Norwegian identity services, and citizen engagement platforms for seamless government service delivery. Administrative features provide content management tools for NAV staff, workflow integration with government systems, and analytics tracking for public data usage in the welfare and employment domain. Essential for NAV’s digital transformation initiatives, supporting government transparency requirements, enhancing citizen access to welfare and employment data, and promoting public engagement through improved user experience and specialized functionality tailored to Norwegian administrative needs and citizen service requirements.