英语翻译之前DA发生了“税金垫付”问题所以建立7天付款,现在DD没有发现此问题所以同意15天付款,我现在已在系统中做了修改!麻烦翻下以上内容,之前大艾公司发生了“税金垫付”问题所以

Question

英语翻译
之前DA发生了“税金垫付”问题所以建立7天付款,现在DD没有发现此问题所以同意15天付款,我现在已在系统中做了修改!
麻烦翻下以上内容,
之前大艾公司发生了“税金垫付”问题所以建立7天付款，现在都德公司没有发现此问题所以同意15天付款，我现在已在系统中做了修改！
麻烦翻下以上内容，

Answer 1

On the past,DA company had "advance tax" issue is why the establishment of seven days for payment,now Germany's did not find this problem,it was agreed that 15 days of payment,I have made changes in the system!