| SNAME | CLASS CPX INTERFACE Surname | CHAR25 | |
| FNAME | CLASS CPX INTERFACE Forenames | CHAR25 | |
| SCHEM | CLASS CPX INTERFACE Scheme Id | CHAR3 | |
| STATU | CLASS CPX INTERFACE Status | CHAR1 | |
| SEX | CLASS CPX INTERFACE Sex | CHAR1 | |
| DOB | CLASS CPX INTERFACE Date Of Birth | CHAR8 | |
| DJEMP | CLASS CPX INTERFACE Date Joined Employer | CHAR8 | |
| DJFUN | CLASS CPX INTERFACE Date Joined Fund | CHAR8 | |
| LSDAT | CLASS CPX INTERFACE Location Start Date | CHAR8 | |
| LOCAT | CLASS CPX INTERFACE Location | CHAR5 | |
| FILL2 | CLASS CPX INTERFACE Filler 5 Characters | CHAR5 | |
| DSPEN | CLASS CPX INTERFACE Date Commenced Pensionable Service | CHAR8 | |
| DOSER | CLASS CPX INTERFACE Date Contracted Out Of SERPS | CHAR8 | |
| FILL3 | CLASS CPX INTERFACE Filler 8 digits. | CHAR8 | |
| TITLE | CLASS CPX INTERFACE Title | CHAR4 | |
| FILL4 | CLASS CPX INTERFACE Filler 14 Characters | CHAR14 | |
| NILET | CLASS CPX INTERFACE NI Table Letter | CHAR1 | |
| REDNI | CLASS CPX INTERFACE Reduced NI Indicator | CHAR1 | |
| PTIND | CLASS CPX INTERFACE Part-time Indicator | CHAR1 | |
| CRATE | CLASS CPX INTERFACE Contribution Rate | CHAR6 | |
| DLEFT | CLASS CPX INTERFACE Date Left Active Service | CHAR8 | |
| LEFTR | CLASS CPX INTERFACE Reason For Leaving | CHAR4 | |
| FILLC | CLASS CPX INTERFACE Filler 3 Characters | CHAR3 | |
| KEY3 | CLASS CPX INTERFACE Third Key | CHAR12 | |
| KEY4 | CLASS CPX INTERFACE Fourth Key | CHAR12 | |
| SPDT1 | CLASS CPX INTERFACE Spare Date 1 | CHAR8 | |
| SPDT2 | CLASS CPX INTERFACE Spare Date 2 | CHAR8 | |
| SPDT3 | CLASS CPX INTERFACE Spare Date 3 | CHAR8 | |
| SPIND | CLASS CPX INTERFACE Spare Indicator | CHAR1 | |
| PTPER | CLASS CPX INTERFACE Part-time Percentage | CHAR9 | |
| NOTUS | CLASS CPX INTERFACE NOT FOR USE | CHAR2 | |
| LADD1 | CLASS CPX INTERFACE Leavers Address Line 1 | CHAR30 | |
| LADD2 | CLASS CPX INTERFACE Leavers Address Line 2 | CHAR30 | |
| LADD3 | CLASS CPX INTERFACE Leavers Address Line 3 | CHAR30 | |
| LADD4 | CLASS CPX INTERFACE Leavers Address Line 4 | CHAR30 | |
| LADD5 | CLASS CPX INTERFACE Leavers Address Line 5 | CHAR20 | |
| LPTCD | CLASS CPX INTERFACE Leavers Post Code | CHAR10 | |
| SPNAM | CLASS CPX INTERFACE NOK Spouse's Name | CHAR25 | |
| SPV | CLASS CPX INTERFACE NOK Spouse "V" | CHAR1 | |
| SPKID | CLASS CPX INTERFACE NOK Number Of Children | CHAR1 | |
| SPMDT | CLASS CPX INTERFACE NOK Spouse Date Of Marriage | CHAR8 | |
| SPV2 | CLASS CPX INTERFACE NOK Spouse V | CHAR1 | |
| SPID1 | CLASS CPX INTERFACE NOK Spouse Indicator 1 | CHAR1 | |
| SPID2 | CLASS CPX INTERFACE NOK Spouse Indicator 2 | CHAR1 | |
| SPGEN | CLASS CPX INTERFACE NOK Spouse General | CHAR9 | |
| CADD1 | CLASS CPX INTERFACE Correspondence Address Line 1 | CHAR30 | |
| CADD2 | CLASS CPX INTERFACE Correspondence Address Line 2 | CHAR30 | |
| CADD3 | CLASS CPX INTERFACE Correspondence Address Line 3 | CHAR30 | |
| CADD4 | CLASS CPX INTERFACE Correspondence Address Line 4 | CHAR30 | |
| CADD5 | CLASS CPX INTERFACE Correspondence Address Line 5 | CHAR30 | |
| CPTCD | CLASS CPX INTERFACE Correspondence Post Code | CHAR10 | |
| FILL5 | CLASS CPX INTERFACE Filler 13 Characters | CHAR13 | |
| S1SDT | CLASS CPX INTERFACE Service 1 Start Date | CHAR8 | |
| S1EDT | CLASS CPX INTERFACE Service 1 End Date | CHAR8 | |
| S1ADJ | CLASS CPX INTERFACE Service 1 Adjustment | CHAR11 | |
| S1ID1 | CLASS CPX INTERFACE Service 1 Indicator 1 | CHAR1 | |
| S1ID2 | CLASS CPX INTERFACE Service 1 Indicator 2 | CHAR1 | |
| FILL6 | CLASS CPX INTERFACE Filler 1 Character | CHAR1 | |
| S1SI1 | CLASS CPX INTERFACE Scheme Indicator 1 | CHAR3 | |
| S1SI2 | CLASS CPX INTERFACE Scheme Indicator 2 | CHAR3 | |
| S1SI3 | CLASS CPX INTERFACE Scheme Indicator 3 | CHAR3 | |
| FILL7 | CLASS CPX INTERFACE Filler 15 Characters | CHAR15 | |
| S2SDT | CLASS CPX INTERFACE Service 2 Start Date | CHAR8 | |
| S2EDT | CLASS CPX INTERFACE Service 2 End Date | CHAR8 | |
| S2ADJ | CLASS CPX INTERFACE Service 2 Adjustment | CHAR11 | |
| S2ID1 | CLASS CPX INTERFACE Service 2 Indicator 1 | CHAR1 | |
| S2ID2 | CLASS CPX INTERFACE Service 2 Indicator 2 | CHAR1 | |
| FILL8 | CLASS CPX INTERFACE Filler 1 Character | CHAR1 | |
| S2SI1 | CLASS CPX INTERFACE Scheme Indicator 1 | CHAR3 | |
| S2SI2 | CLASS CPX INTERFACE Scheme Indicator 2 | CHAR3 | |
| S2SI3 | CLASS CPX INTERFACE Scheme Indicator 3 | CHAR3 | |
| FILL9 | CLASS CPX INTERFACE Filler 15 Characters | CHAR15 | |
| SBSDT | CLASS CPX INTERFACE Service Break Start Date | CHAR8 | |
| SBEDT | CLASS CPX INTERFACE Service Break End Date | CHAR8 | |
| SBHR1 | CLASS CPX INTERFACE Service Break Hours 1 | CHAR5 | |
| SBHR2 | CLASS CPX INTERFACE Service Break Hours 2 | CHAR5 | |
| SBID1 | CLASS CPX INTERFACE Service Break Indicator 1 | CHAR1 | |
| SBID2 | CLASS CPX INTERFACE Service Break Indicator 2 | CHAR1 | |
| SBID3 | CLASS CPX INTERFACE Service Break Indicator 3 | CHAR1 | |
| FILLA | CLASS CPX INTERFACE Filler 1 Character | CHAR1 | |
| SBGEN | CLASS CPX INTERFACE Service Break General | CHAR18 | |
| DMEMC | CLASS CPX INTERFACE Date 1 (Members Contributions) | CHAR8 | |
| AMEMC | CLASS CPX INTERFACE Amount 1 (Members Contributions) | CHAR11 | |
| DSTRC | CLASS CPX INTERFACE Date 2 (Strike Break Contributions) | CHAR8 | |
| ASTRC | CLASS CPX INTERFACE Amount 2 (Strike Break Contributions) | CHAR11 | |
| DNICC | CLASS CPX INTERFACE Date 3 (NI Earnings) | CHAR8 | |
| ANICC | CLASS CPX INTERFACE Amount 3 (NI Earnings) | CHAR11 | |
| DACTC | CLASS CPX INTERFACE Date 4 (Actual Remuneration) | CHAR8 | |
| AACTC | CLASS CPX INTERFACE Amount 4 (Actual Remuneration) | CHAR11 | |
| DPENC | CLASS CPX INTERFACE Date 5 (Pensionable Remuneration) | CHAR8 | |
| APENC | CLASS CPX INTERFACE Amount 5 (Pensionable Remuneration) | CHAR11 | |
| DSIX | CLASS CPX INTERFACE Date 6 | CHAR8 | |
| ASIX | CLASS CPX INTERFACE Amount 6 | CHAR11 | |
| S2DAT | CLASS CPX INTERFACE Date (Set 2) | CHAR8 | |
| S2AM1 | CLASS CPX INTERFACE Amount 1 (Set 2) | CHAR11 | |
| S2AM2 | CLASS CPX INTERFACE Amount 2 (Set 2) | CHAR11 | |
| S2TYP | CLASS CPX INTERFACE Type (Set 2) | CHAR4 | |
| S3DAT | CLASS CPX INTERFACE Date (Set 3) | CHAR8 | |
| S3AM1 | CLASS CPX INTERFACE Amount 1 (Set 3) | CHAR11 | |
| S3AM2 | CLASS CPX INTERFACE Amount 2 (Set 3) | CHAR11 | |
| S3TYP | CLASS CPX INTERFACE Type (Set 3) | CHAR4 | |
| S4DAT | CLASS CPX INTERFACE Date (Set 4) | CHAR8 | |
| S4AM1 | CLASS CPX INTERFACE Amount 1 (Set 4) | CHAR11 | |
| S4AM2 | CLASS CPX INTERFACE Amount 2 (Set 4) | CHAR11 | |
| S4AM3 | CLASS CPX INTERFACE Amount 3 (Set 4) | CHAR11 | |
| S4AM4 | CLASS CPX INTERFACE Amount 4 (Set 4) | CHAR11 | |
| S4TYP | CLASS CPX INTERFACE Type (Set 4) | CHAR4 | |
| FILLB | CLASS CPX INTERFACE Filler 10 Characters | CHAR10 | |