New_co_ref,Old_co_part,Country,New_co,Old_co,Edit_1,Edit_2,Rev_date
BD,BD,EN,Bedfordshire,Bedfordshire,PJW,JBA,1/80
BE,BB,EN,Berkshire,Buckinghamshire,RWE,,4/85
BE,BE,EN,Berkshire,Berkshire,CRC,CKE,5/80
BU,BU,EN,Buckinghamshire,Buckinghamshire,RWE,,8/90
CA,CA,EN,Cambridgeshire,Cambridgeshire,APB,,10/72
CH,CH,EN,Cheshire,Cheshire,RWB,JGM,9/79
CH,CL,EN,Cheshire,Lancashire,RWB,WJS,9/79
CL,CR,WA,Clwyd,Merioneth,PSM,HBR,9/84
CL,DB,WA,Clwyd,Denbighshire,PSM,HBR,9/84
CL,FL,WA,Clwyd,Flintshire,PSM,HBR,9/84
CO,CO,EN,Cornwall,Cornwall,VFC,,4/79
CU,CU,EN,Cumbria,Cumberland,RWB,NJE,8/01
CU,CW,EN,Cumbria,Yorkshire West Riding,JRU,,9/79
CU,CY,EN,Cumbria,Lancashire,RWB,AES,9/79
CU,WE,EN,Cumbria,Westmorland,RWB,NJE,8/01
DE,DE,EN,Devonshire,Devonshire,MLA,CHU,8/80
DF,CD,WA,Dyfed,Cardiganshire,PSM,HBR,9/84
DF,CM,WA,Dyfed,Carmathenshire,PSM,HBR,9/84
DF,PM,WA,Dyfed,Pembrokeshire,PSM,HBR,9/84
DO,DH,EN,Dorset,Hampshire,RZH,RMA,6/80
DO,DO,EN,Dorset,Dorset,RZH,RMA,6/80
DU,DC,EN,Durham,Durham (Cleveland),VC,NAM,10/84
DU,DU,EN,Durham,Durham,VC,NAM,6/79
DU,YD,EN,Durham,Yorkshire North Riding,BAH,,5/76
DY,CZ,EN,Derbyshire,Cheshire,RWB,JGM,9/79
DY,DY,EN,Derbyshire,Derbyshire,PST,,11/80
ES,ES,EN,Essex,Essex,NWA,,10/80
GL,GA,EN,Gloucestershire,Gloucestershire (Avon),LHA,RGG,2/82
GL,GL,EN,Gloucestershire,Gloucestershire,LFW,,4/85
GM,GC,EN,Greater Manchester,Cheshire,WJS,JGM,7/80
GM,GN,EN,Greater Manchester,Lancashire,RWB,WJS,11/76
GM,GY,EN,Greater Manchester,Yorkshire West Riding,BAH,,1/78
GW,GB,WA,Gwent,Breconshire,PSM,HBR,9/84
GW,MO,WA,Gwent,Monmouthshire,PSM,HBR,9/84
GY,AN,WA,Gwynedd,Angelsey,PSM,HBR,9/84
GY,CV,WA,Gwynedd,Caernarvonshire,PSM,HBR,9/84
GY,GD,WA,Gwynedd,Denbighshire,PSM,HBR,9/84
GY,MR,WA,Gwynedd,Merioneth,PSM,HBR,9/84
HA,HA,EN,Hampshire,Hampshire,JHA,ERO,5/02
HE,HE,EN,Hertfordshire,Hertfordshire,JTS,AGI,9/79
HR,HR,EN,Herefordshire,Herefordshire,JWT,RHA,9/79
KE,KE,EN,Kent,Kent,NWA,,10/80
LA,LA,EN,Lancashire,Lancashire,RWB,WJS,9/79
LA,LY,EN,Lancashire,Yorkshire West Riding,BAH,,1/78
LE,LE,EN,Leicestershire,Leicestershire,EBR,VRW,4/80
LI,LI,EN,Lincolnshire,Lincolnshire,NWA,,10/80
LN,LN,EN,London,London,NWA,,10/80
MG,GM,WA,Mid Glamorgan,Glamorgan,PSM,HBR,9/84
MG,GO,WA,Mid Glamorgan,Monmouthshire,PSM,HBR,9/84
MG,GR,WA,Mid Glamorgan,Breconshire,PSM,HBR,9/84
MS,MC,EN,Mersyside,Cheshire,RWB,JGM,5/80
MS,MS,EN,Mersyside,Lancashire,RWB,WJS,10/80
MX,MX,EN,Middlesex,Middlesex,NWA,,10/80
NF,NF,EN,Norfolk,Norfolk,NWA,,1/21
NO,NO,EN,Nottinghamshire,Nottinghamshire,EBR,,4/80
NR,NR,EN,Northamptonshire,Northamptonshire,BLG,,9/79
NU,NU,EN,Northumberland,Northumberland,EME,BJH,7/80
OX,BO,EN,Oxfordshire,Berkshire,MRA,CRC,4/88
OX,OX,EN,Oxfordshire,Oxfordshire,APA,MRA,9/79
PO,BR,WA,Powys,Breconshire,PSM,HBR,9/84
PO,MY,WA,Powys,Montgomeryshire,PSM,HBR,9/84
PO,RD,WA,Powys,Radnorshire,PSM,HBR,9/84
RU,RU,EN,Rutland,Rutland,EBR,NHI,11/14
SF,SF,EN,Suffolk,Suffolk,NWA,,1/21
SG,SG,WA,South Glamorgan,Glamorgan,PSM,HBR,9/84
SG,SM,WA,South Glamorgan,Monmouthshire,PSM,HBR,9/84
SH,SH,EN,Shropshire,Shropshire,JWT,MMO,4/02
SO,SA,EN,Somerset,Somerset (Avon),TBE,SVB,1/21
SO,SO,EN,Somerset,Somerset,RGG,EHW,3/80
ST,ST,EN,Staffordshire,Staffordshire,SRJ,FCL,4/02
SU,SU,EN,Surrey,Surrey,DJF,JHA,1/79
SX,SX,EN,Sussex (E. And W.),Sussex,NWA,,10/80
TN,TD,EN,Tyne And Wear,Durham,VC N,AM,6/79
TN,TN,EN,Tyne And Wear,Northumberland,EME,BJH,5/80
WA,WA,EN,Warwickshire,Warwickshire,NWA,PWO,3/88
WG,WG,WA,West Glamorgan,Glamorgan,PSM,HBR,9/84
WI,WI,EN,Wiltshire,Wiltshire,PNI,NMO,8/79
WM,WR,EN,West Midlands,Worcestershire,JPE,CRC,9/71
WM,WS,EN,West Midlands,Staffordshire,NWA,SPR,5/80
WM,WW,EN,West Midlands,Warwickshire,NWA,PWO,9/82
WO,WO,EN,Worcestershire,Worcestershire,RHA,NMO,11/14
WT,WT,EN,Isle of Wight,Isle of Wight,JPE,ERL,9/79
YN,CN,EN,North Yorkshire,Yorkshire NR (Cleveland),BAH,,5/80
YN,HU,EN,North Yorkshire,Yorkshire ER (Humberside),VNE,BAH,7/80
YN,NW,EN,North Yorkshire,Yorkshire West Riding,BAH,AAB,10/90
YN,YE,EN,North Yorkshire,Yorkshire East Riding,BAH,BJH,10/84
YN,YN,EN,North Yorkshire,Yorkshire North Riding,BAH,AAB,10/90
YS,YS,EN,South Yorkshire,Yorkshire West Riding,PFR,,4/80
YW,YW,EN,West Yorkshire,Yorkshire West Riding,AAB,APA,8/90