defer to sb/sth
phrasal verb with defer verb [ T ] uk/dɪˈfɜːr/ us-rr-
formal to allow another person or organization to make decisions for you because you respect them, or because of their higher rank, greater knowledge, etc.:
For this type of decision, I usually defer to my boss.
In the last few years, the authority mostly has deferred to private developers to handle warehousing and distribution projects, because this is not the area of their expertise.