Okla. Stat. tit. 40, § 40-173.1: Employers’ use of social security numbers – Health

benefit plan membership identification cards.

A. 1. Any employing entity located in this state shall not do

any of the following:

a. publicly post or publicly display in any manner the

social security number of an employee. For purposes

of this paragraph, "publicly post" or "publicly

display" means to intentionally communicate or

otherwise make available to the general public,

b. print the social security number of an employee on any

card required for the employee to access information,

products or services provided by the employing entity,

c. require an employee to transmit their social security

number over the Internet, unless the connection is

secure or the social security number is encrypted,

d. require an employee to use their social security

number to access an Internet web site, unless a

password or unique personal identification number or

other authentication device is also required to access

the Internet web site, or

e. print the social security number of an employee on any

materials that are mailed to the employee, unless

state or federal law requires the social security

number to be on the document to be mailed.

Notwithstanding this paragraph, social security

numbers may be included in applications and forms sent

by mail, including documents sent as part of an

application or enrollment process, or to establish,

amend or terminate an account, contract or policy, or

to confirm the accuracy of the social security number.

2. The provisions of this subsection shall not apply to the

state or any political subdivision of the state.

B. The provisions of this section shall not apply to a health

benefit plan membership identification card issued or renewed prior

to January 1, 2005. After January 1, 2005, the provisions of this

section shall be applicable to all health benefit plan membership

cards upon issuance or renewal.

C. This section shall not prevent the collection, use, or

release of a social security number as otherwise required by state

or federal law or the use of a social security number for internal

verification or administrative purposes. An employee may also

provide an employing entity with written permission to use their

social security number for any of the uses otherwise prohibited by

this section.