Missouri Proposed Rates For Group Trust Self-Insurance are the proposed rates established by the Missouri Department of Insurance, Financial Institutions & Professional Registration (DIP) for self-funded employer groups. These rates are used to determine the amount of premium that employers must pay to obtain coverage through a group trust self-insurance plan. The two types of Missouri Proposed Rates For Group Trust Self-Insurance are the Standard Rate and the Modified Rate. The Standard Rate is based on the total expected claims experience of the group trust self-insurance plan and is generally more expensive than the Modified Rate. The Modified Rate is based on the individual employer group's experience and is usually cheaper than the Standard Rate.