Is it permissible for a married woman to contract herself for breastfeeding with her husband's permission?
Chapter on Who is More Entitled to Child Custody
Al-Mughni
Book of Maintenance (Nafaqāt)
Primary text
It is permissible for a married woman to contract herself for breastfeeding with the permission of her husband, and the contract becomes binding. This is because the right pertains to both spouses, and it does not pass beyond them.