The phrase "to base this plan" means that the plan is constructed or built upon certain ideas, facts, or information. It suggests that the plan is created with a strong foundation or starting point. Full definition
Policy term is same as under base plan, where regular premium policies are for 5 to 35 years and limited premium policies are for 10 to 35 years. (policyx.com)
We did a continuous series of base planning studies. (treehugger.com)
Trip interruption coverage up to $ 5,000 is included in base plan, as is coverage for lost or stolen luggage (up to $ 250). (travelinsurancereview.net)