The Attachment Application Letter is a crucial business document used in Swiss legal and business practice when parties need to formally request the addition of supplementary documents or modifications to an existing agreement. This document type is particularly relevant in situations where the original contract needs to be updated, expanded, or modified without creating an entirely new agreement. The letter must comply with Swiss contract law requirements and typically includes specific references to the original agreement, detailed descriptions of the proposed attachments, and necessary legal declarations. Commonly used in both corporate and commercial contexts, the Attachment Application Letter serves as a formal record of the requested changes and helps maintain clear documentation of contract evolution. It's essential for ensuring transparency and legal compliance in business relationships under Swiss jurisdiction.

1. Letterhead and Date: Company letterhead with full legal name, address, and date according to Swiss format (DD.MM.YYYY)

2. Recipient Details: Full name, title, and address of the recipient, including company name if applicable

3. Subject Line: Clear reference to the original contract and purpose of the attachment application

4. Salutation: Formal greeting appropriate to Swiss business correspondence

5. Reference to Original Agreement: Clear identification of the original agreement including its date and parties

6. Purpose Statement: Clear statement of the intention to attach additional documents or modifications to the original agreement

7. Description of Attachments: Detailed description of the documents to be attached and their relevance

8. Legal Effect Statement: Statement clarifying the legal effect of the attachments on the original agreement

9. Closing: Formal closing phrase, signature block with full name and title

10. Contact Information: Details for follow-up communication