Zero Based Budgeting (ZBB) Definition
Zero Based Budgeting (ZBB) Definition: A method of budgeting in which managers are required to justify all costs as if the programs involved were being proposed for the first time.
ZBB is a method of budgeting in which all expenses must be justified for each new period. Zero-based budgeting starts from “zero base” and every function within an organization is analyzed for its needs and costs