No fixed training expenditure establishes specialized knowledge by itself.
Use spending as context where relevant
Document genuine learning and application. Expensive training can be relevant evidence without proving that the resulting knowledge meets L-1B, while application and travel costs remain separate planning items.
Use expenditure records to explain how knowledge developed, without treating a dollar total as a legal threshold. Gather curricula, instructor names, completion dates, internal assignments, product versions, and examples showing later application to unusual problems. Distinguish that history from petition fees, travel, relocation, and onboarding. Expensive courses do not prove special knowledge of company products or advanced knowledge of internal processes; low-cost mentoring may be probative when resulting expertise is documented. L-1B also demands related qualifying organizations and one continuous year abroad in eligible employment within the previous three. When the beneficiary will be stationed primarily at an unaffiliated worksite, the client must not principally control and supervise the beneficiary, and the placement must relate to a product or service requiring petitioner-specific specialized knowledge rather than labour for hire, and prior L time counts toward the usual five-year limit.
Hypothetical example: a North Hatley precision-loom technician completed weekly mentoring on proprietary tension controls, then resolved faults across several machine generations. The company should present mentoring records with repair histories and proposed duties, rather than argue that a larger training invoice was necessary. Its budget can list filing and relocation expenses separately. What matters is demonstrated depth and business use of company-specific knowledge, not whether the internal accounting code shows an impressive amount.