Final answer:
For a domestic employee to handle export responsibilities, specialized export training is the most relevant condition to ensure they are equipped with the necessary knowledge for international trade.
Step-by-step explanation:
To ensure that a domestic employee can effectively handle export responsibilities, certain conditions should be present. While being fluent in multiple languages can be beneficial (fluency in multiple languages), it is not a strict necessity for handling exports, as the employee can work with local partners or use translation services. Having an international subsidiary (international subsidiary) might be helpful for a company's global operations, but again, it is not a requirement for an employee to manage export tasks domestically.
\Moreover, the company should certainly not focus exclusively on domestic markets (domestic markets) if it's aiming to make export a part of its business strategy. The most relevant condition from the given options is that the employee must undergo specialized export training (specialized export training), which will equip them with the necessary knowledge and skills to navigate the complex international trade regulations, handle logistics, and understand currency exchange requirements. Such training ensures the employee can manage export processes effectively, in compliance with various international standards and within the financial operations of the firm.