Who drafts the referendum question?

Saint Lucia
Answer
Not specified by legislation
Source
Constitutionof Saint Lucia
(adoptedin 22 February 1979, last amended in 26 September 1980)
http://www.stluciaparliament.com/the-constitution-of-saint-lucia
Chapter1.01 Elections Act
(Adopted5 June 1979, last amended in 27 November 2006)