The essential criterion is that data are available to assess actual demand.

Harmony between these two musicians is an essential criteria that determines the quality of their contribution to the performance.

Political attitude had become an essential criterion in her choice of friends.

Governments and other donors should make the inclusion of disabled people an essential criterion for funding.

If there are too many possible candidates, look at how many meet both the essential and desirable criteria.

One essential criterion, and a discussion point, is the European dimension.

Regarding that as an essential criterion, together with the corresponding controls, will also lead to success.

The safety of existing facilities should also be used as an essential criterion for accession to the Union.

It seems to me that this is an essential criterion for exemption, so perhaps we could have a written answer.

Employers in the scheme promise to interview disabled people who meet the essential criteria for a job.