Do you mean you won't get the 1099Misc in time? You can file an extension. Or you should know the amount. You don't need the actual 1099Misc. You can enter it as Other self employment income.
Do you know that is self employment income and you will need to upgrade to the Self Employed version. You can enter Self Employment Income into Online Deluxe or Premier but if you have any expenses you will have to upgrade to the Self Employed version.
How to enter income from Self Employment
<a rel="nofollow" target="_blank" href="
https://ttlc.intuit.com/replies/4801198">https://ttlc.intuit.com/replies/4801198</a>
