英语翻译Notice of termination of registrationWe refer to your ap

英语翻译
Notice of termination of registration
We refer to your application for an immigrant visa.Section 203(g) of the Immigration and Nationality Act requires that your registration be canceled and any petition approved on your behalf canceled,if you do not apply for your immigrant visa within one year of being advised to do so.
You were advised of this requirement on 07 APR 2012,but we have not received a response from you since then.As a result,you are hereby notified that your application for a visa has been canceled and any petition approved on your behalf has also been canceled.
Your application may be reinstated and any petition revalidated if,within one year,you can establish that your failure to pursue your immigrant visa application was due to circumstances beyond your control.
If you have any questions or are experiencing difficulty in complying with the above instructions,please contact the NATIONAL VISA CENTER AT THE ADDRESS BELOW:
大概意思是不是,我的签证申请已经被取消,但是一年内可以再申请,然后如果有问题就往他们得地址发信件,是这个意思吗?
最主要的是他说12年4月份通知过我们,　我们没收到啊.而且这封信件也是4月份发的,昨天刚收到...
顺便想问一下,这个东西可以变更申请人吗?
这个是我父亲早年的时候办的,　现在他身体也不好,也不会说英语,他也去不了,母亲岁数也大了　　可不可以换成我的?　我和我爱人去.　而且我要申请的话,　要再哪里寻求帮助,当时是在美国一家公司办的,　现在中国的办事处已经取消了,　也不知道该怎么联系那边.

登记终止的通知
关于你的移民签证申请,根据“移民和国籍法案”203节要求,如果你未能在被要求的一年之内申请移民签证的话,你的移民登记以及以你名义的所有被批准的请求事项都会被终止.
我方已于2012年4月7日通知你该项要求,但至今未收到你的任何回复.因此,特此通知你的签证申请和以你名义的所有被批准的请求事项都已被终止.
如果在一年之内,你能证明你之所以没有申请移民签证是因为一些不可抗拒的原因的话,你的签证申请就可以被重新恢复,并且那些请求可以重新生效.如果你有任何疑问或者对于完成上述指示有困难的话,请联系位于以下地址的国家签证中心：