srm central contracts number ranges

Hi All,

Can you pls guide about number ranges and assignmnet to central contracts transaction type in srm and MM.

I have central contract in SRM ZCTR and

internal number range in SRM assigned 01 to ZCTR in SRM as internal number range

01 00001000 to 00009000

In ERP I have created a Central contract ZCTR

i have creates following number ranges in ERP

01 000001000 to 000009000 external -

>created same as SRM internal number nage

47 100000000 to 900000000 internal

I will assigne in ERP in following columns in ZCTR document type ...

01 to SRM number range

47 to internal number range.

Pls guide me is this right.

Thanks and Regards,

Abdul Raheem