The instructions to enter your 1099-OID are in this link. Be sure to type the search phrase (1099-oid original issue discount) exactly so you get the Jump to link. You can also find the entry in the Less Common Investments and Savings section. Select the I'll type it in myself option on the import screen if you want to skip the import. You will enter the payer's name and the amounts from Box 6 and Box 11.