#!/usr/bin/perl
use warnings;
use strict;

open my $FH, '<', shift or die $!;

my $pos;
while (<$FH>) {
    $pos = tell $FH if -1 != index $_, 'Significant Accounting Policies';
}

if (defined $pos) {
    seek $FH, $pos, 0;
    print while <$FH>;
}