Attachment B to UIPL No. 02-03

MAIL INFORMATION MEDIA FORMAT

Listed are the electronic media formats that are acceptable for mailing information to IRS for the Health Insurance Tax Credit Mailout.

· ZIP 100 or ZIP 250 disk: ASCII format, delimited or fixed length fields. This is a preferred format. The files can be zip/compressed on this media.

· JAZ 1GB or 2 GB disk: ASCII format, delimited or fixed length fields. This is a preferred format. The files can be zip/compressed on this media.

· CD-ROM: ASCII format, delimited or fixed length fields. This is a preferred format. The files can be zip/compressed on this media.

· 3.5” high-density disks (IBM formatted, 1.44 MB): ASCII format, delimited or fixed length fields. The files can be zip/compressed on this media.

· Sypher 9-track tape (1600 or 6250 bpi density, NON-Compressed): ASCII or EBCDIC format, block size of 8k or less, fixed length fields. Please indicate the density, block size and format in the file layout.

· ½” tape cartridge: 3480 only. NON-Compressed, ASCII or EBCDIC format, block size of 8k or less, fixed length fields. Please indicate the block size and format in the file layout.

Please ship the mail information media by November 22, 2002, by traceable shipment to:

Internal Revenue Service

W:CAR:MP:M:T:M

Attention: Glenn Pelishek

Room 6230

1111 Constitution Ave. NW

Washington, DC 20224