⟩ How would you handle it, if you are introducing a new policy into the team, you are facing a bit of opposition?
I would introduce any policy very gently. If feasible, I would hold a small meeting of the group that is affected and introduce them to the policy, as well as take the time to inform them of the advantages they and the company would obtain once the policy is in place.
Also, I would stress the fact that the policy is not a hard and fast rule and it may be reworked if the people are not completely comfortable working under such a rule and policy.