The issue of previous inconsistent statements is covered under ss 4 and 5 Criminal Procedure Act 1865.
s100 (1)(a) Criminal Justice Act 2003 will focus on the cross examination of police officers on conduct in other cases.
Finality rule on collateral questions will focus on the medical evidence of disability,bias and s6 Criminal Procedure Act 1865.
Sexual offences fall under ss41 - 43 Youth Justice Criminal Evidence Act 1999.
In re examination, the previous consistent statement is admissible in rebuttal.