[4.2.4.1因銀行或者郵局責任造成必要繳費信息不全被退款的情形](4.2.4.1%E5%9B%A0%E9%93%B6%E8%A1%8C%E6%88%96%E8%80%85%E9%82%AE%E5%B1%80%E8%B4%A3%E4%BB%BB%E9%80%A0%E6%88%90%E5%BF%85%E8%A6%81%E7%BC%B4%E8%B4%B9%E4%BF%A1%E6%81%AF%E4%B8%8D%E5%85%A8%E8%A2%AB%E9%80%80%E6%AC%BE%E7%9A%84%E6%83%85%E5%BD%A2.md) [4.2.4.2因匯款人匯款后又取回匯款造成匯單無法兌付的情形](4.2.4.2%E5%9B%A0%E6%B1%87%E6%AC%BE%E4%BA%BA%E6%B1%87%E6%AC%BE%E5%90%8E%E5%8F%88%E5%8F%96%E5%9B%9E%E6%B1%87%E6%AC%BE%E9%80%A0%E6%88%90%E6%B1%87%E5%8D%95%E6%97%A0%E6%B3%95%E5%85%91%E4%BB%98%E7%9A%84%E6%83%85%E5%BD%A2.md)