(a) County election officers shall provide for the registration of voters at one or more places on all days except the following:

(1) Days when the main offices of the county government are closed for business, except as is otherwise provided by any county election officer under the provisions of Kan. Stat. Ann. § 25-2312, and amendments thereto;

(2) days when the main offices of the city government are closed for business, in the case of deputy county election officers who are city clerks except as is otherwise provided by any county election officer under the provisions of Kan. Stat. Ann. § 25-2312, and amendments thereto;

(3) the 20 days preceding the day of primary and general elections;

(4) the 30 days preceding the day of any presidential preference primary election held pursuant to Kan. Stat. Ann. § 25-4501a, and amendments thereto;

(5) the 20 days preceding the day of any election other than one specified in this subsection; and

(6) the day of any primary or general election or any question submitted election.

(b) For the purposes of this section in counting days that registration books are to be closed, all of the days including Sunday and legal holidays shall be counted.

(c) The secretary of state shall notify every county election officer of the dates when registration shall be closed preceding primary and general elections. The days so specified by the secretary of state shall be conclusive. Such notice shall be given by the secretary of state by mail at least 60 days preceding every primary and general election.

(d) The last days before closing of registration books as directed by the secretary of state under subsection (c), county election officers shall provide for registration of voters during regular business hours, during the noon hours and at other than regular business hours upon such days as the county election officers deem necessary. The last three business days before closing of registration books prior to primary and general elections, county election officers may provide for registration of voters until 9 p.m. in any city.

(e) (1) Except as provided in paragraph (2), county election officers shall accept and process applications received by voter registration agencies and the division of motor vehicles not later than the 21st day preceding the date of any election or mailed voter registration applications that are postmarked not later than the 21st day preceding the date of any election except, if the postmark is illegible or missing, mailed voter registration applications received in the mail not later than the ninth day preceding the day of any election.

(2) For any presidential preference primary election held pursuant to Kan. Stat. Ann. § 25-4501a, and amendments thereto, county election officers shall accept and process applications received by voter registration agencies and the division of motor vehicles not later than the 31st day preceding the date of such election or mailed voter registration applications that are postmarked not later than the 31st day preceding such election except, if the postmark is illegible or missing, mailed voter registration applications received in the mail not later than the 19th day preceding the day of such election.

(f) The secretary of state may adopt rules and regulations interpreting the provisions of this section and specifying the days when registration shall be open, days when registration shall be closed, and days when it is optional with the county election officer for registration to be open or closed.

(g) Before each primary and general election held in even-numbered and odd-numbered years, and at times and in a form prescribed by the secretary of state, each county election officer shall certify to the secretary of state the number of registered voters in each precinct of the county as shown by the registration books in the office of such county election officer.