Okla. Stat. tit. 74, § 74-456: Meetings of committees and subcommittees - Expenses - Per

diem - Travel expenses - Association or organization membership

dues.

A. Committees and subcommittees of each house of the

Legislature are hereby authorized to meet when the Legislature is

not in session, subject to the approval of the presiding officer of

the respective house.

B. When the Legislature is not in session, members of the

Legislature shall be reimbursed their expenses in attending meetings

of committees and subcommittees of which they are members or to

which they are invited by committee chairs and shall be reimbursed

as provided in subsection C of this section for expenses for such

meetings and such other legislative business as may be authorized by

the rules or by resolution of the member's respective house.

C. In addition to reimbursement for mileage as authorized by

law, per diem in lieu of expenses in the amount of Twenty-five

Dollars ($25.00) is hereby authorized for not to exceed twenty (20)

days when the Legislature is not in session. The President Pro

Tempore of the Senate and the Speaker of the House of

Representatives may authorize per diem for meetings exceeding twenty

(20) days for members of their respective houses as they deem

necessary.

D. A per diem in lieu of expenses in the amount deductible

without additional documentation pursuant to the Internal Revenue

Code of 1986, as amended, is hereby authorized for meetings outside

the state by members, officers and employees of the Legislature. A

per diem in lieu of expenses in the amount deductible without

additional documentation pursuant to the Internal Revenue Code of

1986, as amended, for the destination within the geographical area

of travel is hereby authorized for official travel to high-rate

geographical areas, as designated in Section 500.9 of this title, by

members, officers and employees of the Legislature. Provided,

however, that members and employees of the Legislature may, in lieu

of the above provisions, be reimbursed for out-of-state travel

pursuant to the State Travel Reimbursement Act.

E. In addition to reimbursement allowed under subsection D of

this section, reimbursement for out-of-state transportation costs

shall be made at an amount not exceeding the cost of coach airplane

fare. Provided that reimbursement for travel by commercial airplane

on a first-class basis may be made if coach-class space is not

available within a reasonable time and is justified by attachments

to claim for reimbursement. Claims for reimbursement for first-

class transportation by commercial airline shall be accompanied by

the passenger's duplicate of airline ticket, or other airline

receipt which includes information as to class of accommodation for

which reimbursement is claimed.

F. Members, officers and employees of the Legislature shall be

reimbursed for any membership dues or fees paid to any association

or organization connected with the performance of their duties with

the state, upon the approval of the Speaker of the House of

Representatives or the President Pro Tempore of the Senate.