That happens often which is why when mailing anything to the IRS it should always be sent certified mail with return receipt or other tracking service because that it the only thing that the IRS accepts as proof of mailing.
If mailed 6 weeks ago then it should be there by now since that was prior to the IRS Coronavirus mail processing shut down.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
