Company LOGO Unit 2 International Letter Exchanges English for International Academic ExchangeUnit 2 International Letter Exchanges 2. Acceptance and Refusal 3. Writing an Effective Email 1. Letters of Invitation v Invitation letters are sent to invite scholars and other prospective participants to attend the conference. vTwo Main Business Letter Formats Full block format Semi-block/indented format Task 1. Letters of Invitation Letters of Invitation v Format Letterhead Date Inside Address Saluta