When does voting take place once an initiative is qualified for ballot?

Law on Referendum (1995, last amended in 2008)

http://aceproject.org/ero-en/regions/asia/KZ/kazakhstan-constitutional-law-on-referenum-1995/view

Article 19. Terms for the conduct of republicanreferendum

Referendum shall be conducted in the term of not lessof one month and not later than three months from the date of taking decisionon its appointment. In exceptional cases the President of the Republic mayestablish other terms for the conduct of referendum.

Between 1 and 3 months