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Signature Rules

Updated on 2025-02-17 GMT+08:00

Apply for a signature only when using the Chinese mainland SMS service. The signature must be enclosed in square brackets, for example, [HUAWEI].

Apply for one or more SMS signatures in advance according to service requirements and reserve sufficient time for review. Signatures can be reviewed only on workdays.

Read the following specifications and make sure that your signatures comply with the specifications:

Signature Specifications

Content

  • You are advised to use the full name or abbreviation of your company, website, product, or application of your company as a signature.
  • The signature cannot contain information involving pornography, gambling, drugs, or other contents that violate laws and regulations.

Length

The signature name must contain 2 to 32 characters of digits and letters. The name cannot contain only digits. Each digit or letter is counted as one character.

Format

  • A signature is case-sensitive. For example, ABC001 and abc001 are different signatures.
  • Enter the signature name when applying for a signature. The system automatically encloses the signature name with square brackets.

Review Rules

  • SMS signatures must be archived by the carrier. Provide the original business license or a copy of the business license with the company seal. The power of attorney is not required if the third-party rights & interests are not involved. If the third party's rights may be violated, the third party's authorization must be obtained. For details, see Third-Party Rights & Interests.
  • The application materials to be provided vary according to the signature contents. For details, see Signature Application Materials.

Third-Party Rights & Interests

Concept

  • If Company A applies for a signature and the owner of the signature is A, the third party's rights and interests are not involved.
  • If Company A applies for a signature for Company B, and the owner of the signature is B, the third party's rights and interests are involved. Company B must give a power of attorney to Company A.

Advantages

The concept of third-party rights & interests is introduced to simplify the signature application process. If third-party rights & interests are not involved, you can directly apply for a signature; you only need to upload the business license of the enterprise or public institution. If third-party rights & interests are involved, you need to upload the power of attorney and business license of the enterprise or public institution.

Example

If Company A applies for a signature for itself due to business requirements, the signature belongs to A. In this case, the original or copy of A's business license (with the company seal) must be uploaded as application materials.

If Company A applies for a signature for Company B, the signature belongs to B. In this case, the original or copy of B's business license (with the company seal) and the power of attorney provided by B to A must be uploaded as application materials.

Huawei Cloud Account (Enterprise Real-name Authentication Entity)

Signature Owner

Signature Application Materials (Business License)

Signature Application Materials (Power of Attorney)

Company A

Company A

Original or copy of A's business license (with the company seal)

Not required

Company A

Company B

Original or copy of B's business license (with the company seal)

Power of attorney provided by B to A

Power of attorney

  • Authorized party: name of the enterprise registered on Huawei Cloud.
  • Authorizing party: name of the enterprise that requires SMS sending (SMS content owner).
  • Validity period: actual period of using the signature.
  • Seal: seal of the entity that sends SMSs.
  • Signature of the legal representative or authorized representative: clear handwritten signature of the legal representative of the authorizing party.

See How Do I Obtain the Template of a Power of Attorney of the Third Party? to download the power of attorney template.

Figure 1 Power of attorney template

Signature Application Materials

The business license and power of attorney to be uploaded must in the .jpg, .png, .gif, or .jpeg format with the size no greater than 2 MB. The image name cannot contain spaces. Otherwise, the file upload fails.

Signature Content

Application Requirements

Full name or abbreviation of an enterprise or public institution

  • One of following certificates of the enterprise or public institution to which the signature belongs must be uploaded:
    • Three-in-one certificate
    • Five-in-one certificate
    • Business license
    • Public institution legal person certificate
    • Social organization legal person registration certificate
    • Organization code certificate
    • Administrative law enforcement subject certificate
    • Unified social credit code certificate

    Note: Select a certificate based on the site requirements.

  • If third-party rights and interests are involved, upload the power of attorney.

Full name or abbreviation of a website archived by MIIT

  • One of following certificates of the enterprise or public institution to which the signature belongs must be uploaded:
    • Three-in-one certificate
    • Five-in-one certificate
    • Business license
    • Public institution legal person certificate
    • Social organization legal person registration certificate
    • Organization code certificate
    • Administrative law enforcement subject certificate
    • Unified social credit code certificate

    Note: Select a certificate based on the site requirements.

  • If third-party rights and interests are involved, upload the power of attorney.
  • Enter the domain name of the website licensed by the Ministry of Industry and Information Technology (MIIT), for example, msgsms.console.huawei.com.

Full name or abbreviation of an application

  • One of following certificates of the enterprise or public institution to which the signature belongs must be uploaded:
    • Three-in-one certificate
    • Five-in-one certificate
    • Business license
    • Public institution legal person certificate
    • Social organization legal person registration certificate
    • Organization code certificate
    • Administrative law enforcement subject certificate
    • Unified social credit code certificate

    Note: Select a certificate based on the site requirements.

  • If third-party rights and interests are involved, upload the power of attorney.
  • Enter the application download URL that contains the developer information.

Full name or abbreviation of an applet or official account

  • One of following certificates of the enterprise or public institution to which the signature belongs must be uploaded:
    • Three-in-one certificate
    • Five-in-one certificate
    • Business license
    • Public institution legal person certificate
    • Social organization legal person registration certificate
    • Organization code certificate
    • Administrative law enforcement subject certificate
    • Unified social credit code certificate

    Note: Select a certificate based on the site requirements.

  • If third-party rights and interests are involved, upload the power of attorney.
  • Enter the full name of the WeChat official account or applet.

    Ensure that the official account or applet is online and can be found on WeChat.

To check whether the signature of an official account or applet is consistent with the account entity, open WeChat, search for an official account or applet, and click the icon in the upper right corner to view details.

Full name or abbreviation of a shop on an e-commerce platform

  • One of following certificates of the enterprise or public institution to which the signature belongs must be uploaded:
    • Three-in-one certificate
    • Five-in-one certificate
    • Business license
    • Public institution legal person certificate
    • Social organization legal person registration certificate
    • Organization code certificate
    • Administrative law enforcement subject certificate
    • Unified social credit code certificate

    Note: Select a certificate based on the site requirements.

  • If third-party rights and interests are involved, upload the power of attorney.
  • Enter the link to the shop on the e-commerce platform.

To check whether the signature of a shop on an e-commerce platform is consistent with the account entity, open the e-commerce platform, search for the shop, click the shop name in the upper left corner, and check the authenticity of the business license.

Full name or abbreviation of a trademark

  • One of following certificates of the enterprise or public institution to which the signature belongs must be uploaded:
    • Three-in-one certificate
    • Five-in-one certificate
    • Business license
    • Public institution legal person certificate
    • Social organization legal person registration certificate
    • Organization code certificate
    • Administrative law enforcement subject certificate
    • Unified social credit code certificate

    Note: Select a certificate based on the site requirements.

  • If third-party rights and interests are involved, upload the power of attorney.

To check whether the signature applicant is consistent with account entity, access the homepage of Trademark Office of National Intellectual Property Administration, PRC.

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