Secretary writing is official writing.

秘书写作是公务写作。

youdao

My secretary worked long hours translating my almost illegible writing into a typewritten and readable script.

我的秘书花了很长时间将我那几乎辨别不清的书写稿转换成打印的、字迹清晰的文稿。

《柯林斯英汉双解大词典》

Secretary to President of Silverlion group Corporation Ltd. Responsibilities: Receiving visitors, scheduling meetings, taking and typing dictation, writing routine letters and reports.

银利来集团有限公司董事长秘书。职责：接待访客、安排会议、笔录并打字、写作日常信函及报告。

youdao

The commission chief said he would be writing to the secretary of state about the contents of the British Irish Rights Watch report.

BBC: Commission support for murder inquiry

At time of writing the home secretary is preparing the government's response and it is unimaginable that she will simply attempt to brush this defeat off.

BBC: Defeat spells trouble for Brown

And we've gone about as far as we can in doing that in an agreement that does not include the leaders of the tax writing committee and Secretary Rubin, who is our guardian on that, finally signed off and said, well, this is the best we are going to be able to do.

CNN: AllPolitics - FDCH Transcript