 She also authored or co-authored the Foster Care Act (RA 10165), Mandatory Infants and Children Health Immunization Act (RA 10152), Expanded Breastfeeding Promotion Act (RA 10028), Establishment of Persons with Disability Affairs Office Act (RA 10070), National Anti-Rabies Act (RA 9482), and the Environmental Awareness and Education Act (RA 9512), among others.Most recently, Senator Cayetano worked for the passage of two landmark laws, the Reproductive Health Act (RA 10354), for which she was the principal sponsor, and the Sin Tax Reform Act (RA 10351) which sought to fund government health programs from tax proceeds from cigarettes and alcohol products.In 2016, she won as Congresswoman of Taguig City's second district.