ALOA CML study materials
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ALOA CML: Professional Practice, Ethics, and Business Operations

ALOA CML · Work through your exam, one topic at a time.

All guide sections

Professional Practice, Ethics, and Business Operations

Core concepts

This domain covers the non-technical side: legal authority, ethics, documentation, pricing, and business operations. A locksmith must verify the right to access-proof of ownership, residence, or authorization-before opening or rekeying. Ethics include confidentiality, honesty about what was done, and refusing work that lacks proper authority. Business operations include licensing where required, insurance, contracts, invoicing, and record-keeping.

Practice standards

Understand the difference between an emergency lockout (verify identity and authority) and a scheduled rekey (document the request). Keep records of work performed, keys issued, and combinations changed. Pricing should be transparent; avoid bait-and-switch practices that harm the trade. Know when to refer work (e.g., safe drilling beyond your capability) and the importance of continuing education and association codes of conduct.

Traps

Questions test whether you would open a door for someone who cannot prove authority-the ethical answer is to verify first, even in an emergency. Another trap: assuming a verbal claim of ownership suffices, or that quoting a low price then upselling is acceptable. Watch for scenarios where the "customer" is a landlord, property manager, or vehicle owner-authority differs by relationship.

Rule of thumb

When in doubt, verify authority before touching the lock. A simple standard: identify the requester, confirm their relationship to the property or vehicle, document it, and only then proceed. If authority is unclear, pause and escalate rather than risk facilitating a crime.