Supporting grassroots community leaders. Cosa Buena is a 501(c)(3) nonprofit organization. Our work is based in Oaxaca, México. Contributions to The Cosa Buena Foundation are tax-deductible to the extent permitted by law. The Cosa Buena Foundation’s tax identification number is 85-0689158. Finance & TransparencyClick here to download our IRS 501(c)(3) approval letterClick here to download our 1023EZ applicationClick here to download our 2022 990N FilingClick here to download our 2021 990N FilingClick here to download our 2021 financial report Board of DirectorsRaquel Durón Perez, DirectorEstefanía Sanchez, President Vera Rapcsak , Secretary