The existing section 1-1 is replaced by the following: ?1-1 APPLICATION 1-1.1 The present Guidelines apply to equivalent sprinkler systems, referred to in SOLAS regulation II-2/10.6 and chapter 8 of the FSS Code, tested on or after 9 May 2008. Equivalent sprinkler systems undergoing testing and approval in accordance with resolution A.800(19), may be approved by the Administration until 1 July 2009. 1-1.2 All type approvals issued to confirm compliance of equivalent sprinkler systems with the Revised Guidelines, adopted by resolution A.800(19), remain valid and may be renewed to remain valid until 1 July 2015. 1-1.3 Existing equivalent sprinkler systems, approved and installed based on resolution A.800(19), should be permitted to remain in service as long as they are serviceable.