In family proceedings, the court may give a direction prohibiting a party to the proceedings from cross-examining (or continuing to cross-examine) a witness in person if—
The “quality condition” is met if the quality of evidence given by the witness on cross-examination—
The “significant distress condition” is met if—
A direction under this section may be made by the court—
In determining whether the quality condition or the significant distress condition is met in the case of a witness or party, the court must have regard to, among other things—
Any reference in this section to the quality of a witness's evidence is to its quality in terms of completeness, coherence and accuracy.
For this purpose “coherence” refers to a witness's ability in giving evidence to give answers which—