The aim of this study was to determine the opinion of municipal officials about the scope and applicability of the law that prioritizes the sterilization of dogs and cats as a component of the national public health policy (Law N° 31311) in the municipalities of Metropolitan Lima. A descriptive observational study was designed based on interviews involving 27 of the 50 district municipalities of Metropolitan Lima (Lima Province and Callao Constitutional Province). Results showed that 63% mentioned that they were fully aware of Law N° 31311 and 44.4% knew that it was not yet regulated (until December 2022), 66.7% mentioned that they have not discussed implementing the law in their municipalities and 74.1% mentioned that they did not have funding for its implementation. Besides, 88.9% indicated that they did not have a municipal shelter and 74.1% considered that the implementation of a s...