"and we would recommend it as being the course which in most circumstances is the right course to adopt. It further seems to us that while burden of proof lies upon the applicant, it can only be in exceptional or frivolous cases that it would be right for the Industrial Tribunal to find at the end of the applicants case, that there was no case to answer and that it was not necessary to hear what the respondent had to say about it."
"We recognise the difficulties but there is no doubt that although the Act of 1975 is silent on the burden of proof, the formal burden of proof lies upon the applicant, that having been said, it should be recognised that in the course of the case, the evidential burden may easily shift to the respondent"