The length, structure and content of SOA templates have always been a point of robust discussion. SOA templates do vary quite a bit across the industry with some being 5 pages in length while others are over 120 pages. All template designs have a primary objective of displaying information so that everyday clients would read and understand. The challenge is to achieve this objective while ensuring legislative requirements are met.
Attached here is Regulatory Guide RG175 (reference 175.153 to 175.198) which provides detailed guidance on what must be included in a Statement of Advice or SOA.