Quality management (QM) procedure

QM procedures, also referred to as process standards or procedural documents, are specific instructions that are required in order to fulfill a defined quality-related activity. They come into effect according to predefined practice (e.g. when signed).
from DIN EN ISO 9000:2000

Reference Volume (and volume-specific, additional or differing definitions to the standard):
VDA Volume 6 Part 2
VDA Volume 6 Part 4