Complex sentence: The defendant must also describe, via affidavit or declaration, California Code of Civil Procedure section 2015.5 the records and explain why the records are relevant; the defense must prove there is "good cause" to release the records.
Split into simpler sentences: The defendant must also describe, via affidavit or declaration California Code of Civil Procedure section 2015.5, the records and explain why the records are relevant. The defense must prove there is "good cause" to release the records.