This section applies if the following two conditions are satisfied.
The first condition is that—
The second condition is that—
If this section applies the court must proceed under section 156 in the same way as it must proceed if the two conditions there mentioned are satisfied; but this is subject to subsection (5).
If the court proceeds under section 156 as applied by this section, this Part has effect with these modifications—
Once the defendant has ceased to be an absconder—
If—
section 156 does not apply so far as that conviction is concerned.