Determining Effectivity Type
The effectivity type is set to Date prior to setting effectivity for the first time. The choices for effectivity type depend on the selection of the effectivity context. They include the following:
• If you have not selected a part as a context or if the default trace code for the context part is undefined, the effectivity type is set to Date.
• If the default trace code of the part is Serial Number, you are able to set a Serial Number, MSN, or Date effectivity type.
• If the default trace code of the context is Lot or Lot/Serial, you are able to set a Lot, Block, or Date effectivity type.