What restrictions are placed on loans according to regulations?

The selection that loans cannot be made using crew salaries is correct because regulations governing maritime commerce often stipulate that crew wages should remain secure and are intended for the support of the crew members themselves. By restricting loans from being secured against crew salaries, regulations ensure that seafarers have guaranteed access to the income they earn while at sea, protecting their livelihood and financial stability during their service on the vessel. This protects crew members from the potential negative impact of encumbering their earned wages with debt, which is particularly crucial in maritime operations where financial uncertainty already can be prevalent due to the nature of the work.

In contrast, other options may not align with maritime regulations; for example, allowing loans solely to the captain could lead to unfair treatment of crew members, while requiring loans to be paid back before a voyage ends could place undue pressure on financial resources during the challenging dynamics of maritime operations. Additionally, the stipulation that loans can only be secured by personal assets would limit the means by which financing could occur, potentially creating barriers to necessary financing for operational purposes. The restriction regarding crew salaries maintains a priority on ensuring that those who work on vessels have secure access to their earnings without the risk of loans compromising their financial wellbeing.