They should make a point of saying "X is referred to as 'she' throughout this piece to comply with IPSO rules". They're not a D notice, right?
Also, 'guidelines' can't be right, or they wouldn't feel compelled to obey them. Must be rules.
Tme for a legal challenge to IPSO, post-Forstater? Writers being discriminated against by being unable to use sex-based pronouns according to their lack of belief in gender identity?