以下关于企业法人变更登记的说法中，错误的有( )。

A．企业法人申请变更登记，应当在主管部门或审批机关批准后30日内，向登记机关申请变更登记

B．企业名称经核准登记或变更登记后，无特殊原因在2年内不得申请变更

C．企业法人实有资本比原有注册资金数额增加或减少超过15%时，应持资金信用证明或验资证明，向登记机关申请变更登记

D．企业法人在国外开办企业或增设分支机构，应向原登记主管机关备案

Mr. Smith has had a cast applied to his arm as an outpatient in the emergency room. Which of the following home care instructions should the nurse advice for his cast care()

A. Use a ruler to reach inside and scratch under the cast.

B. Apply a heating pad to the arm for 24 hours after the injury.

C. Use powder on the skin around the cast.

D. Smell the cast for foul odors.