More than for a straightforward domestic transfer. Retrieving payroll and corporate records from a foreign entity, arranging translations and documenting each link in the ownership chain typically adds weeks before drafting begins.
Start with the records that live furthest away
A sensible order is to request the foreign entity's records first, since those requests take the longest and cannot be accelerated by working harder at home. While they are outstanding, the corporate ownership chain and the specialized-knowledge evidence can be assembled in parallel. Only once the year is documented is it worth drafting, because a gap discovered late can change the whole approach.
Processing times for the petition itself are a further variable and should be checked against current published official information. Where a fixed operational date exists on the U.S. side, share it with counsel at the beginning so that the plan is built around it rather than discovered to conflict with it.
Hypothetical example: Hugo supports a packaging-robotics supplier that needs him for a U.S. installation after a customer acceptance test. He should put the overseas employment ledger, knowledge evidence, entity relationship documents and customer deadline on one calendar.
Assignment dates and payroll identify whether the qualifying year is complete; engineering records show what knowledge must transfer. Sequence the petition around eligibility rather than moving the worker early and trying to repair the timeline later. The routine mistake is counting a few U.S.
work periods as overseas service. If the U.S. office is new, its development facts require separate attention, and the assignment must fit within the worker’s available L-1B time.