拥有股份公司股息优先股的股东是否有投票权和出席股东大会的权利？，依据越南法律整理相关法律依据、合规要求、申请材料注意事项及办理前需要审查的主要风险。

Is an enterprise that agrees to limit the market for consuming products but is beneficial to consumers eligible for exemption? under Vietnamese law, including legal basis, compliance requirements, dossier considerations and key risks to review before implementation.