This document presents a detailed solution to an Australian Immigration Law assignment. It addresses key aspects of visa applications, specifically focusing on the 'Other Family (Residence) (Class BU)' and 'Refugee & Humanitarian (Class XB)' visas. The solution analyzes the requirements for making valid applications, including eligibility criteria, sponsor qualifications, health and character assessments, and the Australian Values Statement. It explores the legislative definition of a 'remaining relative,' assesses whether applicants meet the definition, and clarifies the implications of 'No Further Stay' conditions. The assignment also examines the various subclasses within the Refugee & Humanitarian visa class, detailing eligibility for each and addressing the possibility of combined applications. Finally, it provides information on visa application charges and relevant resources, including a bibliography of sources used. This assignment is a valuable resource for students studying Australian immigration law.