IEC/TS 62647-2:2012(E) establishes processes for documenting the mitigating steps taken to reduce the harmful effects of Pb-free tin in electronic systems. This Technical Specification is applicable to aerospace, defence, and high performance (ADHP) electronic applications which procure equipment that may contain Pb-free tin finishes. It may be used by other high-performance and high-reliability industries, at their discretion.