德州的話，可以加配偶，不影響交稅

因為德州是community state，夫妻LLC被認定是disregarded entity.  非community property state的話，夫妻LLC要按partnership 算。

具體TX LLC ownership change，https://www.sos.state.tx.us/corp/amendmentsfaqs.shtml

Look under "How can I change the ownership information for a business entity?"