Say I want to make the maximum Coverdell contribution, but I am in the phase-out region of AGI. That means I need to wait until my 1040 is (nearly) final, and contribute in calendar year N+1 for crediting as a tax year N contribution.
I make the actual contribution in year N+1. Does the contribution come out of the gift tax annual limits for year N+1? Or year N? Seems a bit odd (but no more odd than other stuff in the tax code!)...