Focus on a rule you disagreed with and explain that you understand the reason that rule was created. When you show the interviewer you are reasonable and will follow the rules even when you disagree with them, they will understand that you are an agreeable person to work with.

"We recently implemented split shifts at my current job, which I do not always agree with because they defer from a good work/life balance. With that said, I understand that split shifts cut labor costs and the need to hire additional staff."

"At one of my previous inpatient nurse jobs, our unit implemented having nurses clock out for lunch. This rule wasn't due to management's concern that nurses were taking advantage or taking too long of a break; instead, management was trying to track and ensure that nurses were actually able to take their full-hour lunch break. Because we were frequently short-staffed, it was already hard to make it off of the unit to take our lunch breaks, and I sometimes found the extra step of clocking out and clocking in to be irritating. However, the reasoning for this rule was sound, and gathering data is crucial to making good policy for our unit, and I complied with this rule.