1.   Such a certificate is required before a plane can be delivered.

2.   Those who failed to show such a certificate were administered the vaccine by injection.

3.   Only with such a certificate can a car be taken off the road and de-registered.

4.   But Means said Wednesday he has no plans to request such a certificate.

5.   Demurin said the foreign and health ministries, along with the state sanitary committee, already have worked out a draft of such a certificate.

6.   He said that any airline having won such a certificate was always under continuous surveillance.

7.   It is the first Jordanian company to get such a certificate, and thus is able to enter the international markets with much strength and confidence.

8.   The principal told the South African Broadcasting Corp. such a certificate was suggested, but not required, as a safety precaution and awareness measure.

9.   The Saudia airliner officials said such a certificate was mandatory for the payment of claims for compensation.