Data update history
November 7, 2023
Posted financials
Added Form 990 for fiscal year 2022
August 17, 2023
Posted financials
Added Form 990 for fiscal year 2021
August 22, 2021
Posted financials
Added Form 990 for fiscal year 2019
July 7, 2021
Posted financials
Added Form 990 for fiscal year 2020
June 30, 2021
Updated personnel
Identified 2 new personnel
Nonprofit Types
International-focused organizationsProfessional associationsBusiness and community development organizationsHeadquarter / parent organizationsCharities
Issues
Science and technologyEducationLand and water conservationEnvironmentCommunity improvementForeign affairsPublic policyBusiness and industry
Characteristics
Operates internationallyTax deductible donationsNo full-time employeesAccepts online donations
General information
- Address
- 1991 Upper Buford Cir Room 439
- Saint Paul, MN 55108
- Metro area
- Minneapolis-St. Paul-Bloomington, MN-WI
- County
- Ramsey County, MN
- Website URL
- humic-substances.org/Â
- Phone
- (651) 434-8110
IRS details
- EIN
- 41-1764948
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1981
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- Q03: International, Foreign Affairs and National Security Professional Societies and Associations
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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