Italian to English Bus/Financial Investment / Securities

In an agreement between a bank and its client in a section regarding the services provided. The lading sentence is:
The Client engages the Bank to provide one or more of the following investment services:

d. sottoscrizione e/o collocamento con assunzione a fermo ovvero con assunzione di garanzia nei confronti dell’emittente di cui all’art. 1, comma 5, lett. c)del TUF;