The law requiring buildings and public facilities to have features such as ramps, handrails and accessible toilets for persons with disabilities is the:

The correct answer is B. Accessibility Law (Batas Pambansa Blg. 344)

Batas Pambansa Blg. 344 of 1983, the Accessibility Law, requires certain buildings, institutions and public utilities to install facilities and devices that improve the mobility of persons with disabilities.