SYNTHETIC PRACTICE ONLY. Not a usable contract. Document: SAMPLE-MSA-A, extract version 1, 1 October 2026. Parties: Sample Buyer and Sample Supplier. Context label: England and Wales. Do not infer legal conclusions. 1. Sample Buyer must provide the approved design brief by 5 October 2026. 2. Sample Supplier must deliver the prototype by 12 October 2026, provided the approved design brief arrives by the date in clause 1. If it arrives later, the parties will agree a revised delivery date in writing. 3. Sample Buyer must pay undisputed invoices within 30 calendar days after receipt. No invoice receipt date is included in this extract. 4. Sample Supplier must send a progress report every Friday during the prototype project. The project end date is not specified in this extract. 5. The notice delivery requirements are in Schedule N. Schedule N is not included in this practice pack.