An acceleration clause in a mortgage or trust deed stipulates that the entire debt is due immediately, if the borrower defaults under the terms of the contract. These four primary clauses are an acceleration clause, a dueonsale clause, a prepayment penalty clause and a release clause.These contracts outline all the terms and conditions of the property transaction in detail. Some important contingency clauses should include financing, home inspections, closing costs, and the closing date, among others. Seven-point checklist for items that investors should include in their purchase contract when they are buying real estate investment property. In a private commercial real estate transaction, a PSA can be lengthy, dense, and filled with complex legal language. As a good starting point, you can get a list of forms and documents required for a typical real estate transaction in your state from US Legal Forms. These added clauses enable investors to acquire properties on their terms and provide a way out if things go south. So where do clauses show up? Rather than making a change, it is completing a requirement or clarifying a point of the contract.