In my current job ... I write design documents that must be approved (in writing) by Key Users in two different companies. Followed by test cases signature and

In my current job ... I write design documents that must be approved (in writing) by Key Users in two different companies. Followed by test cases signature and then by user acceptance test documents. This style could never work for me: "I'll push it to production on Day X, exactly as described here - unless you object" is not really applicable for me.