Parhaodd ACC hefyd i ddefnyddio ei ddull partneriaeth o ymdrin â threth – gan helpu pobl i dalu'r dreth gywir ar yr adeg gywir – a chyfuno hynny â phroses arloesol o'r enw 'rheoli risg treth'. Mae'r awdurdod treth wedi diogelu amcangyfrif o rhwng tua £1.2 miliwn ac £1.6 miliwn dros y tair blynedd nesaf drwy ddefnyddio'r dull hwn.
The WRA also continued to use its partnership approach to tax – helping people to pay the right tax at the right time – and combined it with an innovative process called ‘managing tax risk’. The tax authority has protected between an estimated £1.2 million and £1.6 million over the next 3 years using this approach.