How long after my employer files a W-2C and W-3C, can I file (time to process them)? How do I get confirmation it was done? If he gives me a new W-2, can I file?

[ErinH]

You need to wait until you receive your copy of the corrected (most updated) W-2 to file. Once you have it the IRS will also have it. Employers are required to correct errors on Forms W-2 as quickly as possible. The penalty for filing an incorrect W-2 with the SSA increases over time. To avoid penalties, a Form W-2c is generally required within 30 days of becoming aware of an error. 

If you've already filed your return with the original W-2 you'll need to amend. The 1040X amendment forms are not yet finalized in TurboTax Online. Amendment instructions can be found here when they become available for 2017 (early february):  https://ttlc.intuit.com/replies/3288565

[Mickey12pat]

I need to know abt my refund and Irs still my check so pls sent to my address

[DoninGA]

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@Mickey12pat wrote:

I need to know abt my refund and Irs still my check so pls sent to my address

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Once a tax return has been Accepted by the IRS or a State, TurboTax receives no further information concerning the tax return or the status of any tax refund.  Only the taxpayer listed on the tax return can obtain the status of a tax refund or a tax return.

To check the status of an e-filed return, open up your desktop product or log into your TurboTax Online Account. You can find your status within the TurboTax product.
If accepted by the IRS use the federal tax refund website to check the refund status - https://www.irs.gov/refunds

After the tax return has been Accepted by the IRS (meaning only that they received the return) it will be in the Processing mode until the tax refund has been Approved and then an Issue Date will be available on the IRS website.
See this IRS website for federal tax refund FAQ's - https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions

Call the IRS: 1-800-829-1040 hours 7 AM - 7 PM local time Monday-Friday
When calling the IRS do NOT choose the first option re: "Refund", or it will send you to an automated phone line.
So after first choosing your language, then do NOT choose Option 1 (refund info). Choose option 2 for "personal income tax" instead.
Then press 1 for "form, tax history, or payment".
Then press 3 "for all other questions."
Then press 2 "for all other questions."
- When it asks you to enter your SSN or EIN to access your account information, don't enter anything.
- After it asks twice, you will get another menu.

Press 2 for personal or individual tax questions.
Then press 3 for all other inquiries
It should then transfer you to an agent.