Hi Germain,
there is an amazing online dictionary supported by the IEEE called sevocab. This resource defined terms and then lists the standards and frameworks where the term is used. Here is one answer
formal procedure for submitting a request for an adjustment of a configuration item(ISO/IEC TR 18018:2010 Information technology--Systems and software engineering--Guide for configuration management tool capabilities, 3.5)
regards,
Bob Aiello, Technical Editor