When multiple institutions jointly write, the seal shall be corresponding, correct and centered on the signature of the issuing authority, and the last seal shall be correct and centered on the signature and writing date of the issuing authority.

The seals shall be arranged neatly, without crossing or tangency, and the two ends of each row of seals shall not exceed the center of the edition, and the top of the first row of seals shall be within one line from the text (or annex description).

When three units need to affix three seals together, in order to prevent blank seals, the names of the three issuing organs (omitted) should be arranged in the corresponding position in the order of affixing seals. The seal of the organizer is in the front, with a maximum of three seals, and the two ends shall not exceed the center of the edition, and the seals shall not be crossed or tangent.

Stamping specification

1 When printed, the main body cannot be pressed, and the next year covers the month. When two seals are affixed, when two seals are required to be jointly written, the date and seven words should be written.

The seal of the organizer is in front; Both seals are dated, and the seal is red. Only by using the same stamping method can we ensure the orderly arrangement of seals. The two seals do not intersect or are tangent to each other, and the spacing is not more than 3 mm When writing together, it is necessary to affix three or more seals to prevent blank seals.