"Further to my previous letter regarding changes in your weekend contract, this is to clarify and confirm the amendments to your terms and conditions as follows."
"I would like to confirm your transfer to the weekend shift and the following changes in your terms and conditions of employment."
"Contractual hours for the weekend shift will reduce to 36.75 hours per week. These will be worked as 12 hour shifts 6.00a.m./p.m. – 6.00 p.m./a.m. on Friday, Saturday and Sunday nights and Saturday, Sunday and Monday days, rotating."
"All other terms and conditions of employment remain unchanged."
"This change is in accordance with your terms and conditions, which state that you need to be flexible and work whatever shift pattern is necessary to meet production requirements."