"The postal business letter service flow management system" has been developed and run in the Yunnan postal business letter manufacture service center.

“邮政商函业务流程管理系统”已完成系统的研发工作，目前在云南邮政商函制作中心投入试运行。

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Traditional services include letter service which is the sole business of the posts, parcel service, newspaper distribution, international postal services and stamp collection service.

传统业务包括邮政的专营业务即信函业务、包裹业务、报刊发行、国际邮政业务以及集邮业务。

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Provide letter of credit (L/C) service and guarantee;

提供信用证服务及担保；

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Although the Notice of Claim Disallowance letter sent by the Service generally contains a statement advising the taxpayer that the two-year period began on the date of the letter, the Service occasionally mails these letters without the paragraph notifying the taxpayer of the two-year period for filing suit.

FORBES: When It Comes to the Two Year Statute - You are on Your Own

The post's days as a letter-carrying service are numbered.

ECONOMIST: America��s postal service will begin to undo itself

Last week, the two sent a similar letter to the Secret Service last week.

CNN: Senators criticize military briefing on Colombia scandal