When applying for implementation of annuity insurance in accordance with Paragraph 2 of Article 35 of the Act upon agreement between the workers and employer, a business entity shall submit the following documents to the competent authority for approval:1. Application;2. Photocopies of employer's identification card, factory registration certificate, company registration certificate and business registration certificate;3. Letter of consent to participate in the Insurance from the labor union; in the absence of a labor union, minutes of meeting indicating the consent between all workers and the employer;4. Photocopy of letter of consent signed by workers choosing to participate in annuity insurance;5. Terms and conditions of annuity insurance policy approved by the competent authority after examination and supporting documents; and6. Other documents required by the competent authority.The labor union's letter of consent aforementioned in subparagraph 3 is valid for two (2) years.