#259 Add requirement to enforce serialization of any notifications.

asciidoc/volume2/mdib-report-retrofit/tf2-ch-a-mdpws-mdib-report-retrofit.adoc

@@ -50,3 +50,12 @@ NOTE: This allows for a <<vol1_spec_sdpi_p_actor_somds_consumer>> to apply repor
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 A <<vol1_spec_sdpi_p_actor_somds_consumer>> should reconnect or go into a fail-safe mode when it receives a report with an <<acronym_mdib>> version that is either lower than the last received version or more than one version higher than the last received version.
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+
+.R1014
+[sdpi_requirement#r1014,sdpi_req_level=shall]
+****
+A <<actor_somds_provider>> shall not send a notification of a subscription as long as there is another notification pending for that subscription.
+
+NOTE: This also requires <<actor_somds_provider>>s to serialize delivery of msg:OperationInvokedReport messages.
+****
+