Which of the following is a Guardrail on Lean Budget spend?

The focus of the question is on identifying a Guardrail within the Lean Budgeting framework, which serves as an oversight mechanism to ensure effective spending. Continuous Business Owner engagement fits this role because it emphasizes the importance of regular, active involvement from Business Owners in the budgeting process. This ongoing engagement allows for alignment between business objectives and budget expenditures, ensuring that resources are allocated effectively to meet strategic goals.

By keeping Business Owners engaged throughout the lean budgeting cycle, organizations can achieve better visibility and adapt to any changes in priorities or market conditions. This participatory approach ensures that spending decisions are informed and continuously aligned with business needs, thus supporting the overall success of the Agile Release Trains (ARTs) and the Lean-Agile transformation.

In contrast, elements like Learning Milestones as objective measurements, Spending caps for each Agile Release Train, and Participatory budgeting serve different roles or mechanisms within the Lean budgeting approach but do not function as Guardrails in the same proactive sense as ongoing engagement with Business Owners. These options may help in planning, tracking, or setting limits, but they do not inherently ensure the alignment and oversight necessary for safeguarding budget expenditures.