1. The document discusses how to add indirect cost BOQs in a project by choosing the project and reference in the "enter tender BOQ" function. 2. It describes how to define overhead codes in the "Overhead Codes" function to create a library of indirect costs that can be used for contracts. 3. Finally, it explains how to enter the costs for each defined BOQ using the "costing (indirect)" function by selecting codes from the overhead codes library and adding quantities and unit costs.