5 days grace period after 15th for pf

Friends,

Five days of grace period has been allowed to employers for payment of Provident Fund contributionsafter 15th of a month by clause (iii) of CPFC’S Circular No.E.128(1) 60-III dated 19-3-1964 as modified by circular No.E11/128 (section 14-B Amendment)/73 dated 24-10-1973.

can anybody help where can I get a copy of the Circular.

Regards,