Spanish to English Law/Patents Law: Contract(s)

I would say that the first is "Joint and Several", but that leaves me at a loss as to the second (they are alternatives and so can't be the same thing).

The document is an insurance form to be filled in by the individual/company wishing to take out the insurance with the bank in question. There are a number of sections to the form. This one is entitled "Sistema Operativo", and underneath this heading, you are required to tick a box. Either "Solidario/Indistinto" or "Mancomunado/Conjuntamente con cualquiera de los siguientes". It then rather confusingly goes on to give a number of boxes (to be ticked) with numbers next to them.

There is another document with a similar part to it (presumably meant to be the same) but phrased slightly differently; instead of "Solidario/Indistinto", it says "Solidario/Individual" and then continues as above.

Any ideas on how to phrase this?