B/B Baked Half Breast

There are two types of 4 State barcodes on printed postage 1st class and 2nd class with English and Bilingual Welsh / English options.

Barcode L, which is a Long barcode for domestic sorted and unsorted customers.
- Number of Bars: 78
- Physical Size: Approximately 89 mm (at 21.2 bars per inch)
- Content: 26 Characters
Barcode C, which is a domestic sorted Consolidator customer.
- Number of Bars: 66
- Physical Size: Approximately 76.2 mm (at 21.2 bars per inch)
- Content: 22 Characters

Field Name	Character Length	Definition & Comments	Data Values	Barcode C Example Values	Barcode L Example Values
Format	1	Identifies the format of the item. Used in place of Information Type ID for Barcode C and L.	0 – Null or Test 1 – Letter 2 – Large Letter	1	1
Version ID	1	Identifies the barcode version	1 – Mailmark Barcode	1	1
Class	1	Identifies the class of the item	0 – Null or Test 1 – 1C for Retail 2 – 2C for Retail 3 – 3C for Retail 4 – Premium for Publishing Mail for Retail 5 – Deferred for Retail 6 – Air for Retail 7 – Surface for Retail 8 – Premium for Wholesale 9 – Standard for Wholesale	2	2
Supply Chain ID	2 or 6	Identifies the unique chain of customers involved in the mailing. Consolidator Supply Chain ID are 2 digits. All other 4-State SCIDs are 6 digits.	00 to 99 000000 to 999999	12	123456
Item ID	8	Identifies the unique item within the Supply Chain.	00000000 to 99999999	12345678	12345678
Destination Post Card plus DPS	9	Contains the Postcode of the destination with DPS	The Postal Code and Delivery Point must comply with Postcode Address File Format.	CW14LZ1F<space>	CW14LZ1F<space>

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