On December 31, 2010, I made some charitable contributions with a credit card. Which of the following are deductible on my 2010 return?
1) Credit-card statement transaction date 12/31/2010 but posting date 01/02/20112) Same as #1 but acknowledgement from charity dated 12/31/2010
3) Both posting and transaction date in 2011 but acknowledgement from charity dated 12/31/2010Thank you,
Charles