pp时装上自己的信封

有没有140 pp的时候加一个自己的return 信封的？这样是不是可以早点收到收据呀？官网上是这样说的：
How can I get the results of the adjudication faster?
You may include a postage paid and self-addressed courier delivery slip when filing Form I-907 and we will use it to return the results of the adjudication.