As the Criminal Justice Act 2003 effectively removed the rule against the admission of hearsay evidence?

Has the Criminal Justice Act 2003 effectively removed the rule against the admission of hearsay evidence?
** make sure using citation or reference , ie author name
which page,year of puplish
not to use any internet sources .
to use footnote as well.
Length: 2000 words, not including references, footnotes or bibliography.