# Stratify Parts for Cycle Counting (PARTS.P1)
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The PARTS.P1 procedure assigns ABC codes to records in the Parts file. There are two ways to assign ABC codes. The first involves two cutoff methods. The first method assigns ABC codes based upon the unit cost of the part. Second, they can be assigned based on a combination of cost and usage. In each case, the parts records are sorted by the selected method and assignment is done based upon the breakpoints entered. The second way to assign ABC codes is by percentage breakpoints. The number of months usage is specified and used in combination with the unit cost to rank the part numbers. Then the ABC codes are assigned based upon the percentages entered.
Frequency of Use
Normally, this is done when the system is first implemented and all parts have been entered. It may be run any time after that, as required.