Ofqual has published its rules for awarding GCSE, AS, A levels, and vocational and technical qualifications this academic year.
It follows two technical consultations earlier this month which sought views on proposed frameworks and associated guidance documents.
The announcement has been met with widespread criticism. Cllr Christine Morrissey, who speaks on education for Newcastle Liberal Democrats, said :
Liberal Democrats Education Shadow Education Secretary Daisy Cooper MP said: "Once again, the Government is showing complete contempt for students and teachers by only publishing the technical guidance on grading just days before most schools are due to break up for Easter.
"The Education Secretary dragged his heels in deciding whether or not to cancel exams and now students and teachers are paying the price.
"Teachers and pupils will have been hoping for some well-earned respite after an incredibly difficult term. Instead they will now be frantically trying to digest this guidance and work out what it will mean for them. A last minute panic which could so easily have been avoided if the Education Secretary had stepped up and shown proper leadership on this issue months ago."
Cllr Morrissey concluded :