Client Specimen Signature Form 6250 at a glance
What it is: The Client Specimen Signature Form is where a company confirms the list of its authorised signatories to sign any document binding the company, according to the requirements on the form.
Who signs: This form and any continuation page must be numbered, dated and signed by a company director or other officer (two if acting jointly) authorised to appoint signatories.
A filled-in Client Specimen Signature Form 6250 example: a company lists two signatories

How to fill out Client Specimen Signature Form 6250, box by box
Registered Company name, address, City and Country
Account numbers

The Company confirms that such authority is valid for all the accounts opened or to be opened in its name in the books of Clearstream Banking S.A.
The Company confirms that such authority is valid only for the following account number(s):
First box: Mark the first box only if all of your accounts are managed by the same office. Second box: Mark the second box only if all the accounts listed are covered by the signatures on this form.
Please ensure that you have listed all relevant account numbers. Please use another form or forms for accounts not covered by the signatures on this form.
Individual or joint signatories

Under Individual or joint signatories, tick the appropriate box(es). For the first box, enter the numbers: the persons listed from number to number may act as individual signatories.
For the second box, enter the numbers: one person listed from number to number together with one person listed from number to number may act as joint signatories.
Any two of the persons listed as authorised may act as joint signatories.
If no box is marked, each signatory is assumed to be authorised to sign alone.
Supplement or replacement

Under Supplement or replacement, please tick one box only.
The submission of this form supersedes The previous specimen signature form dated, or the official signature list dated.
This specimen signature form supplements The previous Client Specimen Signature Form dated, or the official signature list dated.
More rules for Client Specimen Signature Form 6250
The Company undertakes, in accordance with Article 34 of CBL's General Terms and Conditions, to provide written notification of deletions or modifications to signatures without delay and to submit an up-to-date specimen signature form on a regular basis.
It is assured that the authorised signatories notified to CBL will remain authorised until CBL has received written notification that such authority has been revoked.
Common questions about Client Specimen Signature Form 6250
Where do I file it?
Please return the completed form and attachments to Clearstream Banking S.A., Attention: Account Administration Luxembourg, 42, avenue JF Kennedy, L-1855 Luxembourg.
Sources
[1] Client Specimen Signature Form 6250/07.2026, Clearstream Banking S.A. (the Official source link on this page).



