Please note that written proof of delivery is not provided for registered mail.

挂号邮件不提供书面签收回条服务。

youdao

Officer preparing for promotion to next level should complete the tasks in a phased manner. Few tasks will require written proof of being completed.

准备晋升的高级船员应以适当的方式完成所有的项目，有部分项目是需要提供书面证据的。

youdao

Actually, I never cheated, ever - I sincerely thought we were broken up; she disagreed, even though it'd been a month since I'd firmly told her we were through, and sent her an email as written proof.

实际上，我从来没有欺骗过谁——我由衷地希望我们能分开；在写了一份邮件作为书面证明，坚决地提出和她分手，在此之后的一个月，她还是不同意。

youdao

You have written proof of the efficacy of not just your program, but also your implementation of it, for the regulators.

FORBES: Risk Assessments: The Most Important Effort You're Doing All Wrong

Check with the individual delivery service to find out how to get written proof of the mailing date and keep it handy with copies of your return.

FORBES: Tomorrow's Tax Deadline Pushed Off For Some Taxpayers

The company said garages would need to be provided with written proof from a local official dealer that the car could not be converted to run on alternative fuels.

BBC: Guernsey super unleaded petrol supplies to continue