The fourth proposal for ministry to the family suggests the Church as an agent of advocacy in legislation and public policy.
d) Promote in dialogue with governments and society, policies and laws on behalf of life, marriage, and the family.(Cf. Pontifical Council for the Family, Charter of the Rights of the Family, October 22, 1983)
We’ve seen some progress in this area: family leave legislation–even in the case of adoption–has progressed for men as well as women. The Church can take steps unilaterally for its married employees. Good example is always well-received.
For deeper examination, an English translation of the 2007 document from the Aparecida Conference.