When did he send the Acknowledgement of service back?
When did he send the form back admitting the adultery?
Has the date of the Decree Nisi been set?
So he has received the Petition but done nothing with it - is that correct?
Has a Financial application actually been made - is there a date for the court to look at the finances?
Are you aware that the site charges more for phone calls?
Your son should arrange to attend a Mediation Information and Assessment Meeting with a mediator as soon as possible
The sooner he makes formal applications to the court the better
If you mean mediation he can find a mediator here
If you mean the court application he can indeed do it himself the form is here
and the fee is £245