It should name the listed profession, describe duties that are genuinely managerial, state the qualification alternative being relied on, confirm the arrangement is employment rather than contracting, and give the period of employment sought, which may be up to three years at a time. It should not describe duties the manager will not actually perform.
Write the letter around the qualification you can prove
A useful letter reads as though the person writing it has read the profession entry. It identifies the position as a hotel management position, sets out the departments and staff the manager will be responsible for, and explains why the role requires that background. Where the file rests on the diploma-plus-experience alternative, the letter should say so and the credential documents should be attached in the same order.
Ask the employer to avoid two habits that create problems: padding the description with duties from other roles in the group, and describing the position as a contract engagement because that is how the group pays other consultants. The duties in the letter are the duties that will be measured later, at an extension or on a subsequent entry, against what the manager actually did. Hypothetical example: a cartographic analyst receives an offer whose duties combine map production and client sales.
She should ask for the work allocation before submitting it, because the letter must describe the professional position actually offered. Assemble the employer letter, credential proof, citizenship evidence, and prior-experience records in the order the qualification rule calls for them. A first review should identify who signed each record and whether dates agree.
Contradictory job titles and copied duty lists create questions that a later explanatory email may not answer.