administration of iustice and preferrement of the common wealth of his realme, he called his high court of
parlement at Westminster the seauenth daie of Nouember, wherein was atteinted Richard late duke of Glocester,
calling and naming himselfe by vsurpation, king Richard the third."
There were those within parliament who opposed the attainter, a Member of Parliament for Colchester, who wrote of this opposition when the bill came into affect, stated:
‘On 9 December the bill of attainder came in, and was sorely questioned’