(a) Except as provided in subdivision (d), the following articles of personal property that have been made available for display in a publicly owned art gallery or museum, or a museum that is regularly open to the public and that is operated by a nonprofit organization that qualifies for exemption pursuant to Section 23701d, shall be exempt from taxation:

1. (1) Original paintings in oil, mineral, water, vitreous enamel, or other colors, pastels, original mosaics, original drawings and sketches in pen, ink, pencil, or watercolors, or works of the free fine arts in any other media including applied paper and other materials, manufactured or otherwise, that are used on collages, artists’ proof etchings unbound, and engravings and woodcuts unbound, lithographs, or prints made by other hand transfer processes unbound, or original sculptures or statuary. As used in this subdivision:

   1. (A) “Sculpture” and “statuary” shall include professional productions of sculptors only whether in round or in relief, in bronze, marble, stone, terra cotta, ivory, wood, metal, or other materials, or whether cut, carved, or otherwise wrought by hand from the solid block or mass of marble, stone, alabaster, or from metal, or other materials, or cast in bronze or other metal or substance, or from wax or plaster, or constructed from any material or made in any form as the professional productions of sculptors, only.
   2. (B) “Original” when used to modify the words “sculptures” and “statuary” shall include the original work or model and the first 10 castings, replicas, or reproductions made from the sculptor’s original work or model, with or without a change in scale, regardless of whether or not the sculptor is alive at the time the castings, replicas, or reproductions are completed.
   3. (C) “Painting,” “mosaic,” “drawing,” “work of the free fine arts,” “sketch,” “sculpture,” and “statuary” shall not include any articles of utility, articles designed for industrial use, or any articles that are made wholly or in part by stenciling or any other mechanical process.
   4. (D) “Etchings,” “engravings,” “woodcuts,” “lithographs,” or “prints made by other hand transfer processes,” shall include only works that are printed by hand from plates, stones or blocks etched, drawn, or engraved with handtools and do not include works that are printed from plates, stones or blocks etched, drawn, or engraved by photochemical or other mechanical processes.
2. (2) Original works of the free fine arts, that are not described in paragraph (1), are subject to regulations, as the board may prescribe, to prove that the article represents some school, kind, or medium of the free fine arts. As used in this paragraph, “original works of the free fine arts” shall not include any article of utility or any article designed for industrial use.

(e) The exemption provided by this section shall not apply unless the property was made available for public display in the art gallery or museum for a period of 90 days during the 12-month period immediately preceding the lien date for the year for which the exemption is claimed.

If the property was first made available for public display less than 90 days prior to the lien date, the exemption may be granted if the person claiming the exemption certifies in writing that the property will be made available for public display for at least 90 days during the 12-month period commencing with the first day the property was made available for public display.

(f) For purposes of this section, “regularly open to the public” means that the gallery or museum was open to the public not less than 20 hours per week for not less than 35 weeks of the 12-month period immediately preceding the lien date for the year for which the exemption is claimed.

If the gallery or museum has been open for less than 35 weeks during the 12-month period immediately preceding the lien date or for less than 20 hours per week during that period, the exemption may be granted if the director or other officer of the gallery or museum certifies in writing that the gallery or museum will be open for not less than 20 hours per week for not less than 35 weeks during the 12-month period beginning with the day the gallery or museum was first opened.