# Engineering Update Processes
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- BOM.P1 Reset Bill of Material Type Codes
- BOM.P2 Remove Non-effective lines from Bills of Material
- BOM.P3 Bill of Material Mass Change Update
- BOM.P4 Bill of Material BOM Qty Reset
- COST.P1 Rollup Standard Costs
- COST.P2 Rollover Standard Costs
- ECN.P1 Post ECN Data to Parts Master
- PARTS.P1 Stratify Parts for Cycle Counting
- PARTS.P2 Delete Parts Flagged for Deletion
- PARTS.P4 Regenerate Low Level Codes
- PARTS.P5 Rebuild the SPEC.CONTROL Record
- PARTS.P6 Mass Change the Part Specs
- WU.P1 Regenerate Where Used File