Form BA-6a (09-18) 

FORM BA-6a ADDRESS REPORT

(SEE INSTRUCTIONS FOR COMPLETING AND MAILING THIS FORM ON REVERSE SIDE)

The information specified on this form, which is required by law under Section 7(b)(6) of the Railroad Retirement Act and Section 209.12 of the Code of Federal Regulations, will be used by the Railroad Retirement 

Board to mail Forms BA-6, Certificate of Service Months and Compensation, to the employees of your company. Failure to report or the making of a false or fraudulent report can result in criminal prosecution or 

civil penalties, or both. 

FORM G-440, REPORT SPECIFICATIONS SHEET, MUST ACCOMPANY THIS FORM.

1a. CORPORATE NAME OF EMPLOYER 1b. OTHER NAME, IF ANY 2. EMPLOYER BA NO.

3.

Social

Security 

Number

4. EMPLOYEE

NAME

(Last Name;

First Name; and

Middle Initial)

5a.

Street Address

Line 1

5b.

Street Address

Line 2

6.

City

7.

State

8.

ZIP

Code

9.

Effective

Date

For RRB

Use Only 1-9 10-45 46-75 76-105 106-125 126-127 128-132 145-152

UNITED STATES OF AMERICA

RAILROAD RETIREMENT BOARD

FORM APPROVED 

OMB NO. 3220-0005

EXHIBIT ONLY: 

Employers MUST Submit Report in Automated Format 
Form BA-6a (09-18) 

INSTRUCTIONS

The information requested on this report, along with Form G-440, Report Specifications Sheet, is to be submitted annually, no later than April 1 of the year following the reportable 

calendar year. Note: In lieu of this form, the employer may include the information on Form BA-3, Annual Report of Creditable Compensation, if that report is submitted as an 

automated file. Mail the report to the RAILROAD RETIREMENT BOARD, OFFICE OF PROGRAMS, P&S – COMPENSATION AND EMPLOYER SERVICES CENTER, 844 NORTH RUSH STREET, 

CHICAGO, ILLINOIS 60611-1275. No report is required if the employer has previously furnished home address information for all persons employed in the reportable calendar year. 

Address information is required only for employees for whom the employer has not previously furnished address information. Additional information about reporting addresses on this 

form may be found in the "Employer Reporting Instructions."

Item

1. a. Enter the corporate name of the employer.

b. Enter other name, if any, commonly used for business purposes.

2. Enter the four-digit BA number which is assigned to the employer by the Railroad Retirement Board.

3. Enter the employee's social security number.

4. Enter the employee's last name (up to 20 letters), first name (up to 15 letters), and middle initial.

5. a. Enter the first line of the employee's street address. This line should not exceed 30 characters, including spaces. 

b. Enter the second line of the employee's street address, if needed. This line should not exceed 30 characters, including spaces.

6. Enter the name of the city. The city's name should not exceed 20 characters.

7. Enter the two-letter abbreviation of the state.

8. Enter the five-digit ZIP code.

9. Enter the effective date of the change of address in the eight-digit format MMDDYYYY. This date should reflect the date the employer recorded the address in their files. If the

employer cannot determine the date, this item should be left blank. 

We estimate this form takes an average of 32 minutes per response, including the time for reviewing the instructions, getting the needed data, and reviewing the completed form. 

Federal agencies may not conduct or sponsor, and respondents are not required to respond to, a collection of information unless it displays a valid OMB number. If you wish, send 

comments regarding the accuracy of our estimate or any other aspect of this form, including suggestions for reducing completion time, to ASSOCIATE CHIEF INFORMATION OFFICER 

FOR POLICY AND COMPLIANCE, RAILROAD RETIREMENT BOARD, 844 N. RUSH STREET, CHICAGO, IL 60611-1275.

EXHIBIT ONLY: 

Employers MUST Submit Report in Automated Format 
Electronic File Format For Form BA-6a

Form BA-6a Record Format 

Field 

Length

Record 

Position Data and Instructions

9 1-9 The employee's 9-digit social security number.

15 10-24 First fifteen (15) characters of the employee's first 

name.

1 25 Employee’s middle initial.

20 26-45

First twenty (20) characters of the employee's 

surname. Spaces in such names as Mc Carthy, St 

Clair, De La Cross are acceptable.

30 46-75 Mailing Address Line 1 (Street Number, Post Office

Box, etc.).

30 76-105 Mailing Address Line 2.

20 106-125 City

2 126-127 State

5 128-132 Zip Code

8 133-140 Blank Filler.

4 141-144 Four-digit BA number assigned by the Railroad 

Retirement Board.

8 145-152 Effective date of information (MMDDCCYY).

28 153-180 Blank Filler.

NOTE: The file should be saved as a text (*.txt) file with the record format listed above.