How to say “Express disapproval” professionally

Level 1: I've reviewed the proposal, and while I appreciate the initiative, I have some concerns regarding its alignment with our current strategic objectives. Perhaps we could discuss these points further to ensure optimal outcomes.

Level 2: Thank you for sharing this. My initial assessment indicates potential challenges in execution given our current resource allocation. I'd be happy to outline these considerations if we can schedule a brief follow-up.

Level 3: I've cross-referenced this against the Q3 OKRs and the previously circulated 'Strategic North Star' document. It appears there may be some... novel interpretations of our core directive. Are we planning an addendum to the current project charter?

Level 4: I need to explicitly state my reservations about this approach. Proceeding as planned risks significant delays and budget overruns, which could jeopardize our Q4 deliverables. I advise we re-evaluate.

Level 5: Don't care. Your problem.

Level 1: We've reviewed your latest request, and while we understand the desired outcome, this proposed adjustment falls outside the agreed-upon project scope. We would need to reassess timelines and budget to accommodate it.

Level 2: Thank you for the clarification. Implementing this particular change would necessitate a deviation from our established project roadmap. We can explore a change request process to evaluate its feasibility and impact.

Level 3: I'm cross-referencing this against the 'Statement of Work' we jointly signed on [Date]. I'm not seeing explicit mention of this functionality. Are we perhaps looking at the v1.0 document, or has there been an uncommunicated update to the core requirements?

Level 4: This request constitutes a significant scope change. It cannot be incorporated into the current sprint without impacting critical deliverables. We require a formal change order and a revised timeline.

Level 5: No. Read the contract.

Level 1: I've looked at the draft, and I'm a bit concerned about a few areas that don't quite align with our project specifications. Could we go over them together to ensure we're on the same page?

Level 2: Thanks for sending this over. I've identified a couple of elements that might introduce unforeseen complexities down the line. Perhaps a slight adjustment could mitigate these risks more effectively.

Level 3: Interesting approach. I'm just reviewing the 'Definition of Done' from our sprint planning, and I'm struggling to locate where this specific deliverable maps to it. Have we perhaps diverged from the agreed-upon criteria?

Level 4: This output does not meet the agreed-upon standards for quality and scope. It requires significant revisions before it can proceed to the next stage. I expect a revised version by end of day.

Level 5: Is this a joke?