Gan nad yw plismona wedi’i ddatganoli, bydd trefniant tair ffordd i’r cyllid ar gyfer heddluoedd Cymru, sy’n cynnwys y Swyddfa Gartref, Llywodraeth Cymru a’r dreth gyngor.
Whilst policing policy is not devolved, funding for the Welsh police forces is delivered through a 3-way arrangement involving the Home Office, the Welsh Government and council tax.