{
 "about": "One profile of the Alleviate Index: a US public charity as IRS public records show it.",
 "url": "https://index.alleviate.org/org/national-speleological-society-546026867",
 "source": {
  "name": "IRS public records",
  "as_of": "2026-10-13",
  "files": {
   "master_file": {
    "posted": "2026-10-13"
   },
   "filing_index": {
    "posted": "2026-09-16"
   },
   "pub78": {
    "posted": "2026-10-13"
   },
   "revocations": {
    "posted": "2026-10-13"
   }
  }
 },
 "method": "https://index.alleviate.org/method",
 "organization": {
  "ein": "546026867",
  "name": "National Speleological Society",
  "city": "Huntsville",
  "state": "AL",
  "name_irs": "NATIONAL SPELEOLOGICAL SOCIETY",
  "status": "exempt_current",
  "irs": {
   "foundation_code": "15",
   "ruling_month": "1946-03",
   "deductibility_code": "1",
   "status_code": "01",
   "filing_req_code": "01",
   "affiliation_code": "1",
   "organization_code": "1",
   "group_exemption": false
  },
  "focus": {
   "ntee": "N99",
   "group": "N",
   "label": "Other recreation and sports",
   "group_label": "Recreation and sports"
  },
  "fiscal_year_end_month": 3,
  "latest_return": {
   "period": "2025-03",
   "fy": 2025,
   "revenue": 2386048,
   "assets": 13842651,
   "income": 2421619,
   "revenue_band": "1m_2500k"
  },
  "required_form": {
   "form": "990",
   "basis": "receipts"
  },
  "clock": {
   "basis": "latest_return",
   "through": {
    "period": "2025-03",
    "source": "master_file"
   },
   "returns": [
    {
     "fy": 2026,
     "fy_end": "2026-03",
     "due": "2026-08-17",
     "due_moved": {
      "from": "2026-08-15",
      "weekday": "saturday",
      "holiday": null
     },
     "extended": "2027-02-16",
     "extended_moved": {
      "from": "2027-02-15",
      "weekday": null,
      "holiday": "Washington's Birthday"
     }
    },
    {
     "fy": 2027,
     "fy_end": "2027-03",
     "due": "2027-08-16",
     "due_moved": {
      "from": "2027-08-15",
      "weekday": "sunday",
      "holiday": null
     },
     "extended": "2028-02-15",
     "extended_moved": null
    }
   ],
   "revocation": {
    "state": "none",
    "years_not_on_file": 0
   }
  },
  "peers": {
   "group": "AL:N:500k_5m",
   "level": "state",
   "size_class": "500k_5m",
   "position": "ranked",
   "percentile": 88,
   "assets_weeks": 301.7,
   "age": "older"
  },
  "filings": [
   {
    "period": "2025-03",
    "fy": 2025,
    "form": "990",
    "record_date": "2025-10-03",
    "due": "2025-08-15",
    "extended": "2026-02-17",
    "timing": "after_due_in_window",
    "object_id": "202522769349300402",
    "versions": 1,
    "later_version": null
   },
   {
    "period": "2024-03",
    "fy": 2024,
    "form": "990",
    "record_date": "2024-07-22",
    "due": "2024-08-15",
    "extended": "2025-02-18",
    "timing": "by_due",
    "object_id": "202422049349300742",
    "versions": 1,
    "later_version": null
   },
   {
    "period": "2023-03",
    "fy": 2023,
    "form": "990",
    "record_date": "2024-07-16",
    "due": "2023-08-15",
    "extended": "2024-02-15",
    "timing": "after_window",
    "object_id": "202431989349300923",
    "versions": 1,
    "later_version": null
   }
  ],
  "status_check": {
   "pub78": {
    "listed": true,
    "codes": [
     "PC"
    ]
   },
   "revocation": {
    "listed": false
   }
  },
  "presence": "on_file"
 },
 "peer_group": {
  "key": "AL:N:500k_5m",
  "level": "state",
  "size_class": "500k_5m",
  "n": 37,
  "revenue": {
   "p10": 643481,
   "p25": 768310,
   "p50": 870035,
   "p75": 1896316,
   "p90": 2436649,
   "min": 513748,
   "max": 4135366
  },
  "ruling_year": {
   "p25": 1992,
   "p50": 2003,
   "p75": 2014
  },
  "assets_weeks": {
   "p25": 18.3,
   "p50": 27.9,
   "p75": 66.4
  }
 },
 "state_rule": {
  "registration": "required",
  "agency": "Consumer Interest Division, Alabama Attorney General's Office",
  "url": "https://www.alabamaag.gov/consumer-protection/charitable-organizations/",
  "renewal": {
   "cadence": "annual",
   "kind": "report",
   "basis": "fiscal_year_end",
   "month": null,
   "day": null,
   "days": 90
  },
  "extension": true,
  "confidence": "high"
 },
 "claimed": null
}