Contributions to Humane Society International are tax-deductible to the extent permitted by law in your country. HSI’s tax identification number is 52-1769464. Donations made from the UK: HSI/UK is registered in England and Wales as charity number 1098925, company number 4610194. Donations made in Canada: donations to HSI/Canada are not tax-deductible. Non-profit organizations in Canada that lobby to change government policy are generally denied charitable status.