A professional engineering consulting firm shall first obtain permission from the competent authority before being entitled to apply for incorporation or alteration registration.　After completing the incorporation or alteration registration, it shall apply to and obtain from the competent authority the registration certificate for professional engineering consulting firm and shall further join the National Association of the Professional Engineering Consulting firms (hereinafter referred to as the National Association) or the local association of the professional engineering consulting firms before starting up business operation.
A professional engineering consulting firm shall, within three months from obtaining permission, complete the incorporation or alteration registration and apply to the competent authority for issuance of the registration certificate for the professional engineering consulting firm. If it fails to complete such procedures within the specified time limit, the competent authority shall revoke or abolish the permission and keep the competent authority in charge of the incorporation registration informed of the revocation or abolition.　Where backed by a justifiable reason, nevertheless, the firm may apply for an extension within the maximum limit of three months.　
Where a foreign firm engages in business operation defined under Article 3 in the territories of the Republic of China, it shall be subject to permission from the competent authority, recognition registration and branch registration by the competent authority in charge of incorporation registration.　It shall further obtain from the competent authority the registration certificate for professional engineering consulting firm and shall join the National Association or the local association before starting up business operation.
The permission, recognition, branch registration, issuance of the registration certificate and the administration as mentioned in the preceding paragraph shall be duly conducted in accordance with this Act, relevant laws and regulations, and the treaties or agreements to which this nation is a party.　

An operator of the professional engineering consulting firm shall fill out an application form and submit it along with the documents enumerated below to the competent authority for permission:
1.Certificate in photocopy verifying the responsible person’s address and domicile.　If lacking an address and domicile in Taiwan, the address of the agent appointed by the firm in Taiwan shall be submitted.
2.Roster of the will-be directors, shareholders taking charge of business operation or representing the firm.　
3.Roster of the will-be licensed professional engineers and the certificates in photocopy identifying the services they can practice.
4.Scope of anticipated business lines.
5.Other documents as required by the competent authority.

A professional engineering consulting firm which has completed incorporation or alteration registration shall fill out an application form and submit it along with the documents enumerated below to the competent authority for issuance of the registration certificate for professional engineering consulting firm:　
1.Permission documents and document of incorporation registration, one photocopy each.
2.Roster of directors, supervisor(s), shareholders in charge of business operation or representing the company.　
3.Roster of the managerial officer in charge of technological services or the responsible person in charge of the technology department.　
4.Roster of licensed professional engineers and their employment agreements duly notarized or attested, one photocopy each, provided that the employment agreement may be dispensed with for the chairperson or the statutory representative, the manager of a foreign firm’s Taiwan branch.
5.Other documents as required by the competent authority.　

Where the competent authority during the review process rule that the application by a professional engineering consulting firm for permission or issuance of the registration certificate is nonconforming with the requirement, the competent authority shall inform the applicant to make up the insufficiency within fifteen days if the insufficiency may be made up, and shall dismiss the application if the insufficiency is not made up within the specified time limit or if the makeup proves incomplete.