After the IRS approves the calculation and the entry on the Schedule A which may take several weeks. And then the IRS has to approve the calculations and the Schedule A included in the TurboTax software.
See this IRS website - <a rel="nofollow" target="_blank" href="
https://www.irs.gov/newsroom/irs-statement-on-retroactive-extender-provisions">https://www.irs.gov/n...>
