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- Latest available (Revised) - Welsh
- Original (As made) - English
- Original (As made) - Welsh
This is the original version (as it was originally made).
21. Rhaid i'r system wrth-gefn y cyfeirir ati ym mharagraff 20(a) gael ei harchwilio'n drwyadl a rhaid i'r system larwm y cyfeirir ati ym mharagraff 20(b) gael ei phrofi o leiaf unwaith bob saith diwrnod er mwyn sicrhau nad oes unrhyw ddiffyg yn y system, ac, os canfyddir unrhyw ddiffyg (adeg archwilio neu brofi'r system yn unol â'r paragraff hwn neu ar unrhyw adeg arall), rhaid ei gywiro ar unwaith.
Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area. The revised version is currently only available in English.
Original (As Enacted or Made) - English: The original English language version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
Original (As Enacted or Made) - Welsh:The original Welsh language version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
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