Employment – Contract of service. The claimant employees' appeal failed. The Employment Appeals Tribunal held that the employment tribunal had been entitled to find that the respondent employer had been entitled to conclude that Electricians' Travel Time Allowance (ETTA) was an outdated and unjustified allowance. Further, the respondent had not been estopped from taking the point that the claimants had not met the relevant conditions for claiming an entitlement to ETTA.