How the site is designed
The interface includes labelled form fields, keyboard focus indicators, text explanations, responsive layouts and expandable answers. Calculator status messages are designed to be available to assistive technology. Reduced-motion preferences are respected for scrolling.
Current limitations
We have not completed an independent accessibility audit and do not claim certified compliance. Table content may require horizontal scrolling on smaller screens. The interactive calculator needs JavaScript; rates, examples and official-source links are available in the page content.
Tell us about a problem
Email [email protected] with the page, the problem you encountered and, if helpful, your browser or assistive technology. Do not include sensitive personal information. We will use the report to investigate and improve the experience.