What is the deadline for collecting required number of signatures?

Law of Ukraine onall-Ukrainian and Local Referendums

http://www.legislationline.org/documents/action/popup/id/7114

ARTICLE 18. Procedures and terms forcollection of signatures by initiative groups.

The day the initiative group has received the certificateof registration, it has the right to organize and unrestrictedly collect thesignatures on forms for citizens signatures demanding the conduct of thereferendum (petition forms).

The total term for collection of signatures on thequestion of all-Ukrainian referendum conduct, should not exceed three months,as for local referendum - one month from the day the first initiative group onan appropriate referendum was certified on registration.

3 months