Just a suggestion.
Aussi de rigueur.

Quel pays est le destinataire de la traduction?

Bon courage

ligne de crédit prête mise en place
cela veut dire disponible mais ligne de crédit disponible est ambigu car condusion avec crédit disponible

la nouvelle ligne de crédit non garantie, récemment mise en place

Credit Line for business
Having a credit line in place is a lot easier than cashing investments or frantically arranging a loan. Credit Line for business is readily available,
low cost financing to accommodate your working capital requirements. It can also help your business establish a record of financial responsibility.

For example, instead of waiting until you need cash, a line of credit or other resources, have these items in place prior to the start of an economic downtown, Licata said.

HTH