In case of "unifying" with the period fixed or PPB (Part Period Balancing), the unified quantity varies every time. Thus the quantity should be corrected to the one suitable for the order release or manufacturing instructions. Such corrections are usually called Rounding of Fractions. Z The surplus which occurs by rounding is allocated to the next necessary quantity, by which the quantity of Scheduled Order is determined at the level close to the net requirements.


Related term: Lot Sizing