For Federal tax purposes, an LLC business entity must file as

来源: 于 2008-03-12 14:09:11 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

either a corporation, partnership or sole proprietorship tax return.

http://www.irs.gov/businesses/small/article/0,,id=137016,00.html