The jurisdiction bit (EU council 3.1) allows the court to deal with the
divorce.
So if you were both born here and still live here its
the first box to tick then habitual
residency, job done.
because your asking a judge to dissolve a marriage all the forms
must be correct, any mistakes and they will be sent back, a mistake on the
form you are looking at will cost you £90 each time to correct, plus they
send the application fee back, even worse when correcting the
D8 there are rules about how it
should be done even to the point of what colour ink to underline the
amendments with
The reasons used to show the marriage
has broken down are unique to your marriage but often they include things
like the breakdown of communication lack of intimacy ect, if you no longer
live together also add that.
If you use the wiki search bar for
examples of UB you will see how others have written this section.
Take a look at the other forms you need, the
affidavit and
directions for trial and the D36, you can always post
questions here and there is also a phone helpline if your stuck.
Personally i just used the wiki solicitor to do the lot including the
consent order that must be written by a solicitor
anyway.