What information must signatories provide when signing the proposal?

Constitutional Law on Referendum (2007)

http://www.legislationline.org/documents/id/15834

Article 11. The Procedure for Implementation of theInitiative of the Citizens of the Kyrgyz Republic to Conduct a Referendum

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14. Each signature list must be certified by signaturesof the person collecting signatures and one of the authorized representativesof the initiative group indicating the date of certification, the family name,first name, patronymic, date of birth, place of residence, series and number ofpassport or its substituting document of each of these persons.