RE AmazonSmile: Be sure that the organization you wish to support is aware of the program and actually registered with Amazon to receive the funds.
The list of charities that Amazon shows are from GuideStar USA which has compiled the information from the IRS, but this includes organizations which may not have registered and thus may never receive the donations.
The list of charities that Amazon shows are from GuideStar USA which has compiled the information from the IRS, but this includes organizations which may not have registered and thus may never receive the donations.
See the section "Charitable Organizations that Do Not Register" here: https://smile.amazon.com/gp/chpf/pd/ref=smi_se_saas_lpd_spd