| EIN | Employer Identification Number | Employer identification number. | |
| NCCSKEY | Unique key: ein + return date | Unique key: ein + return date | Beginning |
| FisYr | Fiscal year | Fiscal year (ending year) | |
| NAME | Name of organization | Organization name. | |
| STATE | State | Two-letter state abbreviation. | |
| NTEE1 | NTEE major group | NTEE major group (A-Z) | |
| NTEECC | NTEECC primary purpose | NTEECC classification | Beginning |
| zip5 | Zip code, 5 digits | First 5 digits of zip code | |
| FIPS | State + County FIPS code | 2-digit State + 3-digit County FIPS code (Federal Information Processing Standard). See also U.S. Census Bureau State & County QuickFacts. | |
| MSA_NECH | Metropolitan Statistical Area | Metropolitan Statistical Area (NCCS file) (list) | |
| PMSA | Primary MSA | Primary Metropolitan Statistical Area - the component areas that comprise a CMSA (76 PMSAs as of 1995). (list) | |
| outnccs | Out of Scope flag | Out-of-scope (IN/OUT) (see OUTREAS doc. for details) | Beginning |
| OUTREAS | Reason why out of scope | Reason why out of scope | |
| p1totexp | Total Expenses | Total expenses | Part 1, line 17 |
| LEVEL1 | Public charity or priv. fndn? | Public charity or private foundation? | Beginning |
| LEVEL2 | Reporting public charity group | Reporting public charity groups. | Beginning |
| level3 | Major NTEE category | Major NTEE category | Beginning |
| level4 | NTEE-CC Major Group | NTEE-CC Major Group | Beginning |
| p7govbcd | Gvt fees & contracts- code (A) | Fees & contracts from govt agencies (g)-col. A (unrelated business income, business code) | |
| Latest | Most recent return | Is record the most recent one received from organization? (y) | |
| p7govamt | Gvt fees & contracts - amt (B) | Fees & contracts from govt agencies (g)-col. B (unrelated business income, amount) | Part 7, line 93g_B |
| p7medbcd | Medicare/Medicaid payts-code | Medicare/medicaid payments (f)- col. A (unrelated business income, business code) | |
| p7medamt | Medicare/Medicaid payts-amt | Medicare/medicaid payments (f)- col. B (unrelated business income, amount) | Part 7, line 93f_B |
| p7govxcd | Gvt fees & contracts code (C) | Fees & contracts from govt agencies (g)-col. C (excl by s.512,513 or 514) exclusion code | |
| p7govxat | Gvt fees & contracts (D) | Fees & contracts from govt agencies (g)-col. D (excl by s.512,513 or 514) | Part 7, line 93g_D |
| p7medxcd | Medicare/medicaid payments (f) | Medicare/medicaid payments (f)- col. C (excl by s.512,513 or 514, exclusion code) | |
| p7govrin | Gvt fees & contracts (E) | Fees & contracts from govt agencies (g)-col. E (related or exempt function income) | Part 7, line 93g_E |
| p7medxat | Medicare/medicaid payments (f) | Medicare/medicaid payments (f)- col. D (excl by s.512,513 or 514, amount) | Part 7, line 93f_D |
| p7medrin | Medicare/medicaid payments (f) | Medicare/medicaid payments (f)- col. E (related or exempt function income) | Part 7, line 93f_E |
| FIN_ID | Unique org. ID | Unique organization ID | |
| LAST_MOD | Date last modif. 2 | Date last modified (var 2) | |
| GRREC_SM | Gross receipts < $25k flag | Gross receipts < $25k flag (Y/N) | |
| SET_ | Source data set | Source data set | |
| NCCSKEY2 | Unique key: ein + fiscal year | Unique key: ein + fiscal year | Beginning |
| formtype | 990 or ez? (9/z) | 990 or ez? (9/z) | beginning |
| RandNum | Random number between 0 and 1 | Random number between 0 and 1 used for creating samples | |