No, you cannot use the IP-PIN from last year. The IRS will send you a CP01A notice with your 2017 IP PIN by early January 2018.
If you lost your 2017 IP PIN or didn't receive one yet, learn how to get one.
I am attaching the
instructions for your reference. Hope the information helps!
just an FYI :The Self-Select PIN is a random
5-digit number that you enter as your electronic signature when e-filing your
return.
The IP PIN is a
6-digit number that the IRS assigns to victims of tax-related identity theft. More info
Follow these
instructions to enter your 6 digit IP PIN or remove one that you accidentally entered.
Instructions
Related Information:
From <https://ttlc.intuit.com/questions/4169713-where-do-you-add-your-ip-pin>
From
<https://ttlc.intuit.com/questions/4178755-no-6-diget-code>
