The validity of a signature could be established by establishing the validity of each of its constituent elements.

A hash of the certificate used to identify it quickly.

If a certificate was issued, and the certificate was appropriate and valid, the burden of proof might be shifted.

13. The new approaches have proved to be fruitful.

It's been proved self care is cost effective.

The effectiveness of the new humanitarian architecture remained to be proved.

Moreover, users should have the duty to ascertain the current validity of a certificate (e.g., that the certificate had not been revoked) prior to relying on a certificate.

In order to prove that they are ineffective, it is necessary to provide evidence to that effect.

(a) Review all obligations lacking supporting or valid documentation to determine their validity (para. 26)

Thus, testimony given abroad is not legally valid in South Africa a witness has to come to South Africa to testify.

It's not even clear that a drug could cause this to be restored, because there's nothing for the drug to bind to.

The decision by the General Assembly to establish such a committee on an ad hoc basis has proved quite effective.

Unfortunately, all efforts have been in vain and have only demonstrated the ineffectiveness of the old format.

There's no audience like this to justify their rehearsal time.

The latter has proven an efficient means to accelerate implementation of priority projects.

The effectiveness of these spacecraft was demonstrated during the 1991 Gulf war.

The certificate is valid.

So this makes us very happy, because now we also have some evidence that this is working.

A proven method to determine their origin is chemical analysis.

Therefore, it might prove fruitful... if Mr. Fabian called on me for a brief talk.

I'd say your alibi is worthless.

The committees had proved very effective in getting things done in the community.

Social insurance system 366 80

Satisfied that the current working methods of the Commission have proved their efficiency,

In civil law systems, for instance, an acte authentique (an officially or notarially recorded instrument) had special legal effect, and specific regulation of the technology used for electronic signatures would be required to justify an acte authentique.

The signature is valid but the certificate's validity is unknown.

As far as reporting arrangements were concerned, the procedures described in paragraph 13 of document A 58 733 remained in force and had proven to be quite effective.

As a follow up to the workshop goals, the Department would remind all missions to support obligations with valid documents.

The General Assembly and its Main Committees

On the contrary, evidence may be found to show that both countries have viewed their treaties as still in force.

This certificate is currently valid.

This has proven to be an effective and efficient manner of operation, however, systems contracts cannot be applied to all procurement needs.

The practice of adopting country resolutions has proven to be ineffective.

You have proof?

The signature is valid but the certificate's validity is undefined.

How long is a license valid?

The certificate is valid starting at this date.

The certificate is valid until this date.

The Board recommends that the administrative heads of peacekeeping missions review all obligations lacking supporting or valid documentation to determine their validity.

The signature is valid but the certificate's validity is not trusted.

That would allow the reliability requirement to be retained while leaving open the possibility for the parties to establish the validity of the signature by any other evidentiary method.

It has proven an effective way to raise awareness for the promotion of sustainable workplaces.

The development of action plans with concrete, measurable targets has proven particularly effective.

Their success stories prove the effectiveness of such locally targeted outreach programmes.

You can't prove it, you have no witness.