(a) The power to propose the revision or amendment of any portion or portions of statutory law by initiative is reserved to the people, but any such revision or amendment, except for one limiting the power of government to raise revenue, shall embrace but one subject and matter directly connected therewith. It may be invoked by filing with the secretary of state a petition containing a copy of the proposed revision or amendment which is is signed by a number of electors in each of one half of the congressional districts of the state, and in the state as a whole, equal to five percent of the votes cast in each of such districts respectively and in the state as a whole in the last preceding election in which presidential electors were chosen.

(b) A proposed amendment to or revision of statutory law by initiative, or any part of it, shall be submitted to the electors at the next general election held more than ninety days after the initiative petition proposing it has been filed with the secretary of state.

(c) Once in the tenth week and once in the sixth week immediately preceding teh week of the election at which it is to be submitted to the electors, the proposed amendment or revision, with notice of the date of such election, shall be published in one newspaper of general circulation in each county.

(d) If the proposed amendment or revision is approved by a majority vote of the electors, it shall be effective as an amendment or revision to statutory law on the first Tuesday after the first Monday in January following the election or on such other date specified in the amendment or revision.

(e) An amendment or revision approved by a majority vote vote of the electors may not be amended or revised by the legislature for a period of two years after the amendment or revision takes effect unless the action of the legislature is submitted to the electors and approved by them or unless the legislative action is necessary to protect the public health, safety, or welfare. If an amendment or revision approved by a majority vote of the electors is held unconstitutional by the supreme court of the state or of the United States, the statutory law amended or revised is restored to the status it held before the amendment or revision became effective.