If you chose "Sole Proprietorship", scheudle C is fine.
If you chose "Partnership", you have to file 1065 in December (not April).
After you requested the EIN, IRS should send you a letter indicates which IRS forms you must file for your LLC.
If you chose "Partnership", you have to file 1065 in December (not April).
After you requested the EIN, IRS should send you a letter indicates which IRS forms you must file for your LLC.