Detailed specification of A-Tape (Disc)

Standard exchange record for classification keys (disk) record type A

Field	Charac.position	Length	Format	Field definit.	Contents	Comment

1	1	1	A	R	Record type	Content: A
2	2-8	7	N	A	Customer number	Number of the customer
3	9-21	13	N	R	Classification key 3)	County, realty and consumer number
4	22-41	20	A-N	R	Customer classification key	Tenant / consumer number
5	42-128	87			Free	Content: blank

¹⁾ Format

A = alphabetical data

B = numerical data

A-N = alphanumerical data

²⁾ Field def.

R = Required field

O = Optional field

A = As agreed

³⁾ Classification key

The classification key usually begins with two leading zeros and is structured in the following way:

3 figure county number

4 figure realty number

4 figure consumer number

Note Note

Consumer number information:

The last number of the consumer number is usually a zero. If a usage unit is divided into two or more usage units then the contents are designated by the last figure.

Consumer number information:

Before the division:

00011 0793 0050

After the division:

00011 0793 0051

00011 0793 0052

End of the note.