As part of their initial scrutiny of these cases, Powys closed 536 claims owing to insufficient proof of payment or legal authority to justify the claim.
Fel rhan o’u harchwiliad cychwynnol o’r achosion hyn, caeodd Powys 536 o hawliadau gan nad oedd digon o dystiolaeth o’r tâl neu ddigon o awdurdod cyfreithiol i gyfiawnhau’r hawliad.