Ask users for AMKA/ΑΦΜ
WCAG 2.2
New WCAG 2.2 criteria affects this pattern
To ask users for ‘National Insurance Numbers’(ΑΜΚΑ) or ‘Taxpayer Identification Number’ (ΑΦΜ) and meet the new Web Content Accessibility Guidelines (WCAG) 2.2 criteria, make sure that users can successfully:
When to use this pattern
Follow this pattern whenever you need to ask for a National Insurance Number or a Taxpayer Identification Number.
How it works
Use a single text input labelled ‘AMKA’ for National Insurance Number or ‘ΑΦΜ’ for Taxpayer Identification Number.
When asking for a National Insurance Number
- allow input for 11 characters
- dont allow spaces between characters
- ignore any unwanted characters before validating
When asking for a Taxpayer Identification Number
- allow input for 9 characters
- dont allow spaces between characters
- ignore any unwanted characters before validating
Reusing entered National Insurance numbers & Taxpayer Identification Number
WCAG 2.2Do not ask for a National Insurance Number and Taxpayer Identification Number more than once within a single journey, if only one person’s details are needed. Make sure users can easily reuse previously entered inputs within a single journey, unless doing so would be a major safety or security concern. This is to comply with WCAG 2.2 success criterion 3.3.7 Redundant Entry.
You can make it easier to reuse National Insurance and Taxpayer Identification numbers through one of these methods:
- pre-populate name fields with the previously entered name
- show any previously entered numbers as an option for the user to select