This document: — specifies how a user can follow a standard welding procedure specification (SWPS) based on welding procedure qualification tests performed by a different organization; — specifies the range for the use of SWPSs in accordance with ISO 15607; — specifies the requirements for qualification of welding procedures to be issued as SWPSs; and — specifies the requirements for organizations adopting SWPSs. The use of this document can be restricted by an application standard or a specification. This document is applicable to welding of steels and aluminium and its alloys (see 4.1). All new standard welding procedure qualifications are to be carried out in accordance with this document from the date of its issue. However, this document does not invalidate previous standard welding procedure qualifications made to former standards, specifications or previous editions of this document