Maybe you confused Sched B and 1099-B? Because, yes, it is part of Sched B. Try this article:

https://proconnect.intuit.com/support/en-us/help-article/form-1099/enter-amounts-form-1098-1099-pros...

https://proconnect.intuit.com/support/en-us/help-article/federal-taxes/entering-form-1099-oid-proser...

You should be seeing more and more of these in consolidated 1099 packages, because of the rates available for government obligations and CDs. Some stuff is Fed taxable and State nontaxable, too, so of course it matters.