Term of copyright in published literary, dramatic, musical and artistic works:
Section – 22. Except as otherwise hereinafter provided, copyright shall subsist in any literary, dramatic, musical or artistic work [***] published within the lifetime of the author until [sixty] years from the beginning of the calendar year next following the year in which the author dies.
Explanation: In this section the reference to the author shall, in the case of a work of joint authorship, be construed as a reference to the author who dies last.