Alabama
Ala. Code §17-22A-7(b)(2)

Candidates for state offices may not solicit or accept contributions during the period when the Legislature is convened in session. Exception for a period of 120 days before any primary, runoff or general election, and for candidates participating in a special election.

Alaska
AS §24.60.031

A legislator or legislative employee may not on a day when either house of the legislature is in regular or special session, solicit or accept a contribution or a promise or pledge to make a contribution for a campaign for the state legislature. Exception for the 90 days immediately preceding an election for contributions made outside of the capital city.

Arizona
Ariz. Rev. Stat. §41-1234.01

Lobbyists are prohibited from soliciting, promising to solicit, making or promising to make campaign contributions to members of the Legislature or the Governor during the regular legislative session, and when legislation from the regular session awaits gubernatorial action.

Colorado
C.R.S. §1-45-105.5

Lobbyists and the principals of lobbyists are prohibited from making a contribution to a member of or candidate for the general assembly or to any statewide officer or a candidate for statewide office when the general assembly is in regular session or when a measure approved by the general assembly is pending before the governor.

Connecticut
Conn. Gen. Stat. §9-333l (e)

Lobbyists and political committees established by or on behalf of lobbyists are prohibited from making or soliciting contributions on behalf of a candidate for nomination/election to the general assembly or state office, or to a political committee related to such a candidate, during regular and special sessions of the general assembly.

Florida
House Rule 26

Fundraising during session is prohibited by House rule.

Georgia
Ga. Code §21-5-35

No member of the General Assembly, public officer elected statewide, or campaign committee of either shall accept a contribution during a legislative session.

Illinois
10 ILCS 5/9-27.5

Prohibits holding fundraisers within 50 miles of Springfield on session days during the last 90 days before the scheduled spring session adjournment. Exempts legislators and candidates from districts within that area.

Indiana
IC §3-9-2-12

A member of or candidate for the General Assembly may not solicit or accept campaign contributions or conduct other fundraising activities during the period between the General Assembly convenes in January of each odd-numbered year and ending when that session adjourns sine die.

Iowa
IA Code §56.15A

Political action committees and lobbyists are prohibited from making campaign contributions to the campaign of an elected state official, member of the Legislature or candidate for state office during a regular session of the Legislature and, in the case of the Governor or a gubernatorial candidate, for a period of 30 days following the adjournment of a regular legislative session.

Kansas
K.S.A. §25-4153a

No registered lobbyist or political committee shall make a contribution to any legislator, legislative candidate or candidate committee, or state officer elected on a statewide basis or candidate or candidate committee for such officer or candidate, between Jan. 1 of each year and prior to adjournment sine die of the regular session of the Legislature, or at any other time in which the Legislature is in session.

Louisiana
La. R.S. §24:56

Lobbyists' principals may not make contributions resulting from a fundraising function while the Legislature is in session.

Maine
1 Me. Rev. Stat. Ann §1015(3)

The Governor, a member of the Legislature or any constitutional officer or the staff or agent of the Governor, a member of the Legislature or any constitutional officer may not intentionally solicit or accept a contribution from a lobbyist, lobbyist associate or employer during any period of time in which the Legislature is convened before final adjournment.

Maryland
MD Election Code Ann. §13-235

During a regular session of the General Assembly, the Governor, Lt. Governor, Attorney General, Comptroller, a member of the General Assembly, or a person acting on behalf of any of these officeholders, may not solicit, accept or deposition a contribution.

Minnesota
Minn. Stat. §10A.06

Senate and house "caucus" fundraisers are prohibited during session. A constitutional office candidate, legislative candidate or a principal campaign committee may not solicit or accept, during a regular legislative session, a contribution from a registered lobbyist, a political committee, a political fund, a terminating principal campaign committee, or a committee of a legislative party caucus.

Nevada
Nev. Rev. Stat. §§ 94A.300, 294.310

It is unlawful for a member of the legislature, the lieutenant governor or the governor to solicit or accept any monetary contributions for any political purpose during the period beginning 30 days before a regular session of the legislature and ending 30 days after the final adjournment of a regular session

New Mexico
NMSA §1-19-31.1

Legislators, candidates for state legislator, and the governor are prohibited from soliciting contributions beginning January 1 prior to a regular session of the legislature, or after the proclamation for a special session has been issued, and ending on adjournment of the regular or special session.

North Carolina
N.C. Gen. Stat. §163-278.13B

While the General Assembly is in regular session, no registered lobbyist, lobbyist's agent, lobbyist's principal, or a political committee that employs or contracts with or whose parent entity employs or contracts with a lobbyist may make a contribution to a member of or candidate for the Council of State or a member of or candidate for the General Assembly. Exception for the three weeks prior to a second primary if the contributee is a candidate who will be on the ballot. Violation is a Class 2 misdemeanor.

Oklahoma
Ethics Commission Rules §257:10-1-6

Fundraising events for members of the legislature may not be held in Oklahoma County during the regular legislative session. Does not apply to members whose districts include any portion of Oklahoma County.

Oklahoma
§21 O.S. 187.1(G)

Newly enacted in 2008 (effective 11/1/08):
No lobbyist or lobbyist principal as defined in Section 4249 of Title 74 of the Oklahoma Statutes shall make or promise to make a contribution to, or solicit or promise to solicit a contribution for a member of the Oklahoma Legislature or a candidate for a state legislative office during any regular legislative session, beginning the first Monday in February, through its adjournment, and for five (5) calendar days following sine die adjournment.  A member of the Oklahoma Legislature or a candidate for a state legislative office shall not intentionally solicit or accept a contribution from a lobbyist or lobbyist principal as defined in Section 4249 of Title 74 of the Oklahoma Statutes during any regular legislative session and for five (5) calendar days after sine die adjournment.

Oregon
Or. Rev. Stat. §260.174

During the period beginning January 1^st immediately before a regular biennial session of the Legislative Assembly, or at the start of any special session, and continuing until adjournment, no person shall make, attempt to make or promise to make a campaign contribution to any legislative official, statewide official or candidate for these offices.
The Oregon Attorney General issued an opinion in 2001 concerning this statute. The Attorney General ruled that the statute was a violation of Oregon's constitutional right to freedom of expression, an gave the opinion that the statute would not be enforced (Or. Atty. Gen. Op. 8874(2001)). However, the statute is still Oregon law at this time.

South Carolina
S.C. Code §2-17-80

A lobbyist shall not offer, solicit, facilitate, or provide contributions on behalf of any member of the General Assembly, the Governor, the Lieutenant Governor, any other statewide constitutional officer, any public official of any state agency. (Not limited to just during session)

Tennessee
Tenn. Code Ann. §2-10-310

A member of the General Assembly may not solicit or accept contributions from the convening of the General Assembly's regular annual session to the earlier of May 15 or the conclusion of the annual session. Tenn. Code Ann. § 3-6-108(i). A lobbyist or an employer of a lobbyist cannot make a contribution to a candidate for Governor or General Assembly during the regular annual session of the General Assembly.

Texas
V.T.C.A., Election Code §253.034; Texas Ethics Commission Rule §22.11

During a period beginning on the 30^th day before the date a regular session convenes and continuing through sine die adjournment, neither a person nor a PAC may make a political contribution to a statewide officeholder or a member of the legislature, and such persons shall not accept a political contribution during this period.

Utah
Utah Code §36-11-305

It is unlawful for any person, lobbyist, principal, or political committee to make contributions to members of the legislature or the governor or to a campaign committee of such a person during a legislative session.

Vermont
2 V.S.A. §266(3)

Lobbyists' employers are prohibited from making or promising to make a political contribution to any member of the assembly or member's campaign committee when the Vermont General Assembly is in session.

Virginia
Va. Code §24.2-940

No member of the General Assembly or statewide official shall solicit or accept a contribution from any person or political committee on and after the first day of a regular session of the General Assembly through adjournment sine die of that session.

Washington
RCW §42.17.710

Contributions may not be solicited or accepted by statewide elected officials or state legislators during the period from 30 days before until 30 days after the regular session of the Legislature. Contributions are prohibited during any special legislative session.

Wisconsin
Wis. Stats. §13.625

A licensed lobbyist may only make campaign contributions to elective state officials and candidates for elective state office during the year of the candidate's election, between June 1 and the date of the general election, and only when the Legislature is not in session.

Senate Policy. Bans fundraising in Dane County on days that the legislature is in session. Assembly has similar (but unwritten) ban.