| fpno | person number |
| fficode | income receipt code |
| fnfr | number of income receipts totalled here |
| ffrall | received payment each month |
| ffr01 | payment received in september 1995 |
| ffr02 | payment received in october 1995 |
| ffr03 | payment received in november 1995 |
| ffr04 | payment received in december 1995 |
| ffr05 | payment received in january 1996 |
| ffr06 | payment received in february 1996 |
| ffr07 | payment received in march 1996 |
| ffr08 | payment received in april 1996 |
| ffr09 | payment received in may 1996 |
| ffr10 | payment received in june 1996 |
| ffr11 | payment received in july 1996 |
| ffr12 | payment received in august 1996 |
| ffr13 | payment received in september 1996 |
| ffr14 | payment received in october 1996 |
| ffr15 | payment received in november 1996 |
| ffr16 | payment received in december 1996 |
| ffr17 | payment received in january 1997 |
| ffrnow | is still receiving payment |
| ffrval | last amount received |
| ffrw | weeks covered by last amount received |
| ffrjt | last payment: sole or joint recipient |
| ffrjtpn | pno of joint recipient |
| fhid | household identification number |
| ffiseq | income receipt sequence number |
| ffim09l | estimated income in september 1995 |
| ffim10l | estimated income in october 1995 |
| ffim11l | estimated income in november 1995 |
| ffim12l | estimated income in december 1995 |
| ffim01t | estimated income in january 1996 |
| ffim02t | estimated income in february 1996 |
| ffim03t | estimated income in march 1996 |
| ffim04t | estimated income in april 1996 |
| ffim05t | estimated income in may 1996 |
| ffim06t | estimated income in june 1996 |
| ffim07t | estimated income in july 1996 |
| ffim08t | estimated income in august 1996 |
| ffim09t | estimated income in september 1996 |
| ffim10t | estimated income in october 1996 |
| ffim11t | estimated income in november 1996 |
| ffim12t | estimated income in december 1996 |
| ffim01n | estimated income in january 1997 |
| ffrjtvf | joint receipt verification flag |
| ffrvali | imputation flag – ffrval (base) |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |