Donations can be made by Paypal or by credit card through Jgive here and you can donate in the same way together with the selection of a gift at our crowdfunding website: http://half-shekel.org/#home
Donations to the Israel Archaeological Foundation are tax-deductible in Israel (46א).
Tax-deductible donations may also be made in other countries by selecting the option “For Tax-Deductible payments from North-America or U.K. please choose this option. ” on the form here.