Qualification
    
ASME Y14.24 : Types and Applications of Engineering Drawings
The formal process by which a manufacturers product is examined for compliance with the procurement requirements of a source control drawing to approve the manufacturer as a source of supply.
See Also:
Product, Source Control Drawing
Alternate Definitions:

QIF - a check on or the refinement of the calibration of a measurement device performed using a known artifact such as a tooling ball or gage block