The police officer charged with murdering Sarah Everard is expected to challenge the length of his prison sentence.
Ex-Pc Wayne Couzens was handed a whole-life term in September after kidnapping, raping and murdering the 33-year-old.
Ms Everard was abducted by Couzens as she walked home from a friend's house in Clapham, south London, on March 3.
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The Metropolitan Police firearms officer, who had been "hunting" for a victim, used his position to abduct the marketing executive.
He showed her his warrant card and handcuffs while using Covid lockdown rules in order to make a false arrest.
In October, the Court of Appeal confirmed that an application was brought forward regarding the length of Couzens' sentence.
A Judicial Office spokesperson told the PA news agency that the hearing for the applications is likely to take place early May.
But they also noted that the date is not set in stone and is subject to change.
Lord Justice Fulford said earlier this year while sentencing Couzens at the Old Bailey that the circumstances of the case were "devastating, tragic and wholly brutal".
He went on to say that it was so exceptional that it warranted a whole-life order.
It is the first time in the UK that the sentence had been given for a single murder of an adult not committed in the course of a terror attack.
The judge said: “The misuse of a police officer’s role such as occurred in this case in order to kidnap, rape and murder a lone victim is of equal seriousness as a murder for the purpose of advancing a political, religious or ideological cause.”
