"I was employed with Leeds City Council from September 1970 to October 1991. I was dismissed when the number of fee-paying students declined. I have not received a redundancy payment."
"9. The third matter that was raised by the respondents [the Council] was whether or not the applicant [Mrs Sutcliffe] was entitled to aggregate the various teaching contracts under which she was employed to make a total of more than 8 hours, or whether the tribunal should look at the individual teaching contracts separately in which event as no one contract was for more than 8 hours per week the application would fail. The applicant of course argues that those contracts should be aggregated.
"The weekly hours of class contract are as detailed on the enclosed contract, which also indicates any weekly hours of authorised attendance at the College or Centre, in addition to that required as class contact time. No additional payment will be made in respect of hours required for preparation of schemes of work, setting and marking of examinations."
"18. that is whether or not we can properly aggregate the different contracts issued from different areas for whom the applicant worked.
"24. The majority also point to the fact that all of these contracts came to an end at the same time as a result of a uniform policy being imposed upon the different areas by the Leeds City Council. The fact that the contracts could be brought to an end uniformly once again in the view of the majority shows that there is a uniformity in the contractual position and that the division between the various contracts is an artificial division.
"that if the facts fitted, it would also be open to an industrial tribunal to find that, even though there were separate contracts, there was also a unifying contract of employment collateral to the separate contracts, of the type which has been referred to as an "umbrella contract" of employment (see O'Kelly v. Trusthouse Forte plc[1984] QB 90 124H) under which the minimum hours requirements were satisfied."