Should internal training expenditure be treated as proof of L-1B eligibility?

The cost does not establish the legal knowledge standard by itself.

Explain the outcome rather than the price

A business may spend substantially on ordinary training or efficiently teach an advanced process. Document what the applicant learned and applies, then separate those business costs from official and professional preparation fees. Do not present expenditure as a guaranteed immigration result.

Build a dated review file around the specialized-knowledge record, training invoices, payroll, worksite evidence, and current government-charge information. The immigration budget itself covers the Form I-129 fee, any asylum program fee based on the petitioner's size, the fraud-prevention fee applicable to L petitions and optional premium processing, all set out in the USCIS fee schedule. The petition budget covers government filing charges, read from the current USCIS fee schedule on the day of filing rather than from an older quote, together with certified translations of any foreign-language exhibit and professional fees for preparing and reviewing the package. Add the affiliate's own set-up expenses where relevant, and add the cost of doing it twice if a request for evidence arrives because the first submission described a skilled employee rather than a specialized-knowledge position.