Legal provisions for optional referendums at national level

Constitution of Moldova

http://aceproject.org/ero-en/regions/europe/MD/the-constitution-of-moldova-2000/at_download/file

Article 88:

The President of the Republic of Moldova shall also fulfill the following duties:

[…]

(f) to request the citizens of the Republic of Moldova to express their will by way of referendum on matters of national interest.

Article 141. Initiative for revising the Constitution

(1) A revision of the Constitution may be initiated by:

(a) A number of at least 200,000 voting citizens of the Republic of Moldova. Citizens initiating the revision of the Constitution must cover at least a half of the territorial-administrative units of the second level, and in each of these units must be registered at least 20000 signatures in support of the said initiative;

(b) a number of at least a third of the Parliament members;

(c) the Government.

(2) Constitutional law drafts shall be submitted to Parliament only alongside with the Constitutional Court advisory opinion adopted by a vote of at least 4 judges.

 Electoral Code of Moldova

http://vota.te.gob.mx/sites/default/files/national/37/moldovaelectoralcode_html_11710.html

Article 143. Types of republican referendum

(1)   Depending on the legal aspect of the issue subjected to referendum, the republican referendums may be constitutional, legislative and advisory.

(2)   To constitutional referendum issues regarding the revision of Constitution shall be subjected.

(3)   To legislative referendum draft-laws or some legal provisions of major importance shall be subjected.

(4)   To advisory referendum issues of national importance, pursuing to ask the opinion of the people on such issues and further adoption, by competent public authorities, of some final decisions shall be subjected.