diff --git a/analytical_lifecycle.qmd b/analytical_lifecycle.qmd
index d9d5377..ef634be 100644
--- a/analytical_lifecycle.qmd
+++ b/analytical_lifecycle.qmd
@@ -89,7 +89,6 @@ Work in this stage can vary considerably depending on the commission, impact, ap
 
 
 
-
 ### Sign off
 
 After analysis results have been determined to meet the requirements in the delivery phase, they are formally approved for dissemination during the sign-off phase, which includes confirmation that the commission was met, documentation and evidence was captured, and appropriate assurance was conducted. This approval may be phased as work progresses and insights are produced.
@@ -103,3 +102,10 @@ The analytical Assurer should review evidence during and after an analytical pro
 * Evidence that there has been sufficient networking between analysts as the providers of data and other evidence sources.    
 * Detailed descriptions of the verification and validation activities and their conclusions with supporting documentary evidence of the conduct of the work.    
 
+### Maintenance and continuous review
+The analytical lifecycle is not a linear process. Where analysis is used on an ongoing basis, all aspects of the lifecycle should be regularly updated. For example, consideration should be made whether 
+*The inputs used remain appropriate
+*The initial communication methods remain the best way to deliver the information
+*Any software relied on continues to be supported and up to date
+
+Additionally, a robust version control process should be in place to ensure any changes to the analysis are appropriately assured.