Commonwealth Act No. 423

: Commonwealth Act No. 423 governs the execution of public works or public improvements in chartered cities in the Philippines.
: Bidding is required for any public work or improvement involving an estimated cost of three thousand pesos or more, except for parks, boulevards, streets, or alleys.
: The mayor awards the contract to the lowest responsible bidder after public advertisement in the Official Gazette for not less than ten days, upon the recommendation of the city engineer.
: Yes. The city engineer, with the approval of the President of the Philippines upon recommendation of the Secretary of Public Works and Communications, may execute the work by administration even if it costs three thousand pesos or more.
: It is discretionary with the city engineer to either proceed with the work personally or to let the contract to the lowest bidder after publication and notice as deemed appropriate or prescribed by regulation.
: No. These specific types of public works are excluded from the bidding requirement specified in the Act.
: The advertisement must be published in the Official Gazette for not less than ten days.
: The city engineer recommends the awarding of contracts to the mayor.
: The city engineer must have the approval of the President of the Philippines upon the recommendation of the Secretary of Public Works and Communications.
: The Act took effect upon its approval on May 31, 1939.