) ▁ ▁Commission ed ▁ranks ▁ ▁Chief ▁super int endent ▁( two ▁pi ps ▁below ▁a ▁crown ) ▁ ▁Super int endent ▁( one ▁pip ▁below ▁a ▁crown ) ▁Chief ▁inspect or ▁ ▁( c rown ) ▁ ▁Ins pect or ▁( three ▁pi ps ) ▁ ▁Senior ▁non - comm ission ed ▁ranks ▁ ▁Senior ▁ser ge ant ▁( three ▁che v rons , ▁crown ▁and ▁sur mount ed ▁by ▁a ▁la ure l ▁w re ath ) ▁ ▁Serge ant ▁( three ▁che v rons ) ▁ ▁Non - comm ission ed ▁ranks ▁ ▁Senior ▁const able ▁( two ▁che v rons ) ▁ ▁Const able ▁( plain ▁ep au lette ) ▁ ▁Pro b ation ary ▁const able ▁( plain ▁ep au lette ) ▁ ▁Each ▁state ▁has ▁its ▁own ▁distinct ▁rank ▁structure ▁ ▁Australian ▁Capital ▁Territ ory ▁ ▁Australian ▁Federal ▁Police ▁ ▁New ▁South ▁Wales ▁ ▁Northern ▁Territ ory ▁ ▁Queensland ▁ ▁South ▁Australia ▁ ▁Tas mania ▁ ▁Victoria ▁ ▁Western ▁Australia ▁ ▁Austria ▁ ▁Commission ers ▁ ▁Le ading ▁Offic ers ▁ ▁NO C s ▁ ▁Bang l adesh ▁ ▁Rap id ▁Action ▁Batt al ions ▁ ▁Bel arus ▁Offic ers ▁ ▁En list ed ▁ ▁Belg ium ▁ ▁Boliv ia ▁Offic ers ▁ ▁En list ed ▁ ▁Brazil ▁Brazil ▁has ▁several ▁different ▁police ▁forces , ▁each ▁with ▁its ▁own ▁ranks . ▁At ▁a ▁federal ▁level , ▁there ▁are ▁the ▁Federal ▁Police ▁( , ▁the ▁equivalent ▁to ▁the ▁F BI ), ▁the ▁Federal ▁Highway ▁Police ▁( Pol í