Three levels of updates can be applied to ITxPT specifications, incremented in their release number vA.B.C:

• Corrective update vA.B.C (e.g. v2.0.1):
  • Applied as soon as an error or bug is reported
  • Frequency: several times a year (if requested)
• Details update vA.B.C (e.g. v2.1.0):
  • Based on input of experiences and feedback from members
  • Frequency: maximum twice a year (if requested)
• Main update vA.B.C (e.g. v2.0.0):
  • Includes key extensions and/or changes of current scope based on workgroups and/or project outcomes
  • Frequency: maximum once a year (if requested)