After you file


@txtornado57 wrote:

how long will it take before turbo tax will have the 1040x forms ready to amend the 2020 tax?  My return was accepted but I cant amend it I get an error stating the forms are not ready.


Before starting to amend the tax return, wait for the tax refund to be received or the taxes due to be paid and processed by the IRS.


See this TurboTax support FAQ on amending a tax return originally completed and filed using the 2020 TurboTax online editions - https://ttlc.intuit.com/community/amending/help/how-do-i-amend-my-turbotax-online-return/01/27577

The IRS Form 1040-X is scheduled to be available on 02/26/2021 (subject to change)