On my checklist it says for the supporting documents I need: "For the period before you were granted leave as a Tier 2 migrant, documents showing that you met the relevant requirements of the immigration rules. For further information concerning the evidence required, please refer to the Tier 2 ...

My T2 visa ends September 1st, because that is when my employment switches from Employer A to Employer B. I can apply for IRL in July, but Employer A can't write the letter since they know I will be "leaving" September 1st (technically im staying in the same place, but the grant for my pay is from ...