yes, this is legal. According to Article 13, after the completion of a construction project that requires fire control design according to the national technical standards for fire control of engineering construction, fire control acceptance and filing shall be carried out in accordance with the following provisions:

(1) For the construction project specified in Article 11 of this Law, the construction unit shall apply to the fire control institution of the public security organ for fire control acceptance;

(2) for other construction projects, the construction unit shall report to the fire control institution of the public security organ for the record after acceptance, and the fire control institution of the public security organ shall conduct spot checks.

Construction projects that should be subject to fire control acceptance according to law are prohibited from being put into use without fire control acceptance or unqualified fire control acceptance; Other construction projects that fail to pass the random inspection according to law shall be stopped.

Article 14 The specific measures for fire control design review, fire control acceptance, filing and spot check of construction projects shall be formulated by the public security department of the State Council.

article 15 before a public gathering place is put into use or business, the construction unit or the user unit shall apply to the fire department of the public security organ of the local people's government at or above the county level where the place is located for fire safety inspection.

the fire department of the public security organ shall conduct fire safety inspection on the place according to the technical standards and management regulations of fire control within ten working days from the date of accepting the application. Without fire safety inspection or inspection does not meet the requirements of fire safety, it shall not be put into use or business.