(12) The worker must not commence proceedings in accordance with this section, other than an application under subsection (16)(b) or the commencement of proceedings with the consent of the Authority under subsection (20) or (20A), unless -
(a) the worker and the Authority or self-insurer hold, or begin, a conference within 21 days after the response date; and
(b) the Authority or self-insurer makes a statutory offer in writing in settlement or compromise of the claim at that conference, or after the conference begins but no later than 60 days after the response date; and
(c) if the worker does not accept that statutory offer within 21 days after it is made, the worker, before the expiration of that period, makes a statutory counter offer in writing in settlement or compromise of the claim; and
(d) the Authority or self-insurer does not accept that counter offer within 21 days after it is made; and
(e) the proceedings are commenced not earlier than 21 days, and not more than 51 days, after the counter offer is made or, if a counter offer is deemed to have been made under subsection (14), not more than 30 days after the day on which the counter offer is deemed to have been made.
(13) If the Authority or self-insurer does not make a statutory offer under subsection (12), the Authority or self-insurer is deemed, for the purposes of that subsection, to have made, on the 60th day after the response date, a statutory offer of nothing.
(14) If the Authority or self-insurer makes a statutory offer under subsection (12) and the worker does not make a statutory counter offer under that subsection, the worker is deemed, for the purposes of that subsection, to have made, on the 21st day after the statutory offer was made, a statutory counter offer of the maximum amount that may be awarded as damages under subsection (22)(a) and (b).