Learn about the Association: Understand its goals, vision, areas of activity, and Charter to ensure alignment with your (or your organization's) aspirations and objectives.
Membership conditions: Determine whether you (as an individual) or your business (as an organization) meet the criteria to become a member. These criteria often relate to areas of activity, experience, and legal status.

The offline membership application usually includes the following documents, depending on whether you register as an individual or an organization:
For individuals:

• Application form: According to the Association's prescribed template (downloadable from the website or obtainable directly at the office).
• Information sheet: Personal details, experience, and professional activities.
• Copy of ID card/CCCD: Usually notarized.
• Portrait photo: Size 3x4 or 4x6 cm (may also require a digital file).
• Scientific CV or summary of professional activities (if required).

For organizations/enterprises:

• Application form: According to the Association's prescribed template.
• Copy of Business Registration Certificate / Establishment Decision / Investment Certificate: Usually notarized.
• Information sheet of the representative joining the Association: Including position and contact details.
• Copy of the representative's ID card/CCCD: Usually notarized.
• Portrait photo of the representative.
• Company logo and general introduction (if required for publication on the Association's website).
• Other documents (depending on the Association): e.g., commitment to comply with professional ethics, documents proving activities related to the Association's field.

Submit documents: Send the prepared application documents to the Association's Office at the specified address. Some Associations may require a soft copy to be sent via email first.

• Joining fee: The initial fee when you (or your organization) are admitted as a member.
• Annual membership fee: The fee to maintain membership status as prescribed by the Association (usually yearly).