Act No. 1543

: The main purpose of Act No. 1543 is to change the name of the municipality of Namacpacan, in the Province of La Union, to the name Luna.
: The municipality of Namacpacan in the Province of La Union had its name changed to Luna.
: Act No. 1543 was enacted by the Philippine Commission under the authority of the United States.
: The municipal council of the municipality must request the change, and it must be approved and recommended by the provincial board of the province involved.
: The Act does not specify any particular reason other than the request by the municipal council and approval by the provincial board, indicating local legislative concurrence.
: The Act took effect immediately upon its passage, on October 18, 1906.
: The passage is expedited in accordance with section two of "An Act prescribing the order of procedure by the Commission in the enactment of laws," passed September 26, 1900.
: The provincial board's recommendation is necessary to validate and approve the municipal council's request, ensuring the change has local governance support.
: No penalties or sanctions are mentioned in Act No. 1543, as it merely provides for the official renaming of a municipality.
: The principle that legislative processes should be expedited when the public good so requires, allowing timely responses to local government needs.