Here's more on which new voting restrictions are in effect in some states, and the deadline for voting registration in all of them. The deadlines can change — as of Oct. 12, several states affected by Hurricane Matthew changed their voter registration dates.

Updated: This list previously included California, where a same-day registration provision goes into effect in 2017. It also included Maryland, where same-day registration is only available during early voting.

Oct. 8 is the voter registration deadline for three states:

Mississippi

Nevada, where registration forms sent by mail must be postmarked by this date. The deadline for online or in-person registration is Oct. 18.

Oct. 9 is the voter registration deadline for two states:

Alaska

Rhode Island

Oct. 10 is the voter registration deadline for four states:

Arizona

Arkansas

Hawaii, where voters can also register in person during early voting, which runs from Oct. 25 through Nov. 5.

Washington, where registration forms must be postmarked or completed online by Oct. 10. The deadline for in-person registration is Oct. 31.

Oct. 11 is the voter registration deadline for 13 states and D.C.:

Georgia, where officials urged residents in the path of Hurricane Matthew to register to vote online.

Indiana

Kentucky

Louisiana

Michigan

Montana, where voters can register in person on Election Day.

New Mexico

Ohio

Pennsylvania

Tennessee

Texas

South Carolina, where officials extended the deadline to register to vote due to Hurricane Matthew. The South Carolina Election Commission said applications postmarked by Tuesday, October 11 will be accepted. Online, email or fax applications are due by midnight, October 9.

Utah, where registration forms must be postmarked by Oct. 11. The deadline for online or in-person registration is Nov. 1.

District of Columbia, where voters can also register and cast a special ballot in person on Election Day.

Oct. 12 is the voter registration deadline for two states:

Illinois. Deadline for mail registration only — voters can register or change their address in person any time before or on Election Day.

Missouri

Oct. 14 is the voter registration deadline for four states:

Idaho, where voters can also register in person on Election Day.

New York

North Carolina, where voters who miss the deadline can register during early voting, which lasts from Oct. 20 until 1 p.m. Nov. 5.

Oklahoma

Oct. 15 is the voter registration deadline for one state:

Delaware

Oct. 17 is the voter registration deadline for one state:

Virginia

Oct. 18 is the voter registration deadline for eight states:

Florida, where Gov. Rick Scott (R) originally refused to extend the Oct. 11 deadline due to Hurricane Matthew. A federal judge ruled against him, extending it at least until Oct. 18. Florida does not offer online registration or same-day registration.

Kansas

Maine, where voters can also register in person on Election Day.

Maryland, where voters can also register in person during the early voting period from Oct. 27 through Nov. 3.

Minnesota, where voters can also register in person on Election Day.

New Jersey

Oregon

West Virginia

Oct. 19 is the voter registration deadline for two states:

Massachusetts

Wisconsin, where voters can also register in person on Election Day.

Oct. 24 is the voter registration deadline for four states:

Alabama

California

South Dakota

Wyoming, where voters can also register in person on Election Day.

Oct. 28 is the voter registration deadline for one state:

Nebraska

Oct. 29 is the voter registration deadline for two states:

Iowa, where voters can also register in person on Election Day.

New Hampshire, where voters can also register in person on Election Day.

Oct. 31 is the voter registration deadline for one state:

Colorado, where voters can also register in person on Election Day.

Nov. 1 is the voter registration deadline for one state:

Connecticut, where voters can also register in person on Election Day.

Nov. 2 is the voter registration deadline for one state:

Vermont, where voters can also register in person on Election Day.

Voters in one state have no registration deadline:

North Dakota