until further notice,... (you, I mean I)... will be classified as ‘furloughed workers’ in accordance with the Government’s Coronavirus Job Retention Scheme. This means that, if you have received this letter, you are not required to come into work but will remain on our payroll, rather than being laid off.
Time to establish the rules?
https://www.gov.uk/government/publications/guidance-to-employers-and-businesses-about-covid-19/covid-19-guidance-for-employees