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Section II

Amendments to the Constitution. Constitutional Laws

Art. 138

Laws amending the Constitution and other constitutional laws shall be

adopted by each House after two successive debates at intervals of not less

38than three months, and shall be approved by an absolute majority of the

members of each House in the second voting.

Said laws are submitted to a popular referendum when, within three months

of their publication, such request is made by one-fifth of the members of a

House or five hundred thousand voters or five Regional Councils. The law

submitted to referendum shall not be promulgated if not approved by a

majority of valid votes.

A referendum shall not be held if the law has been approved in the second

voting by each of the Houses by a majority of two-thirds of the members.

Art. 139

The form of Republic shall not be a matter for constitutional amendment.