Split consumer and provider parts of requirement R0600 into two separ…

…ate requirements.

asciidoc/volume3/biceps-extension-provisions/tf3-ch-8.3.2.9.8-extension-timestamp.adoc

@@ -69,15 +69,14 @@ include::../../listings/vol3-clause-biceps-content-example-timestamp-version.xml
 .R0600
 [sdpi_requirement#r0600,sdpi_req_level=shall]
 ****
-A <<vol1_spec_sdpi_p_actor_somds_provider>> shall include the `sdpi:EpochSupport` extension and set `sdpi:EpochSupport/@Version=1` in every system clock `pm:ClockDescriptor`, used as part of its System Function Contribution (<<acronym_sfc>>), that uses epoch versioning for abrupt time adjustments. A <<vol1_spec_sdpi_p_actor_somds_consumer>> shall ignore all epoch version information on any system clocks that do not include the `sdpi:EpochSupport` extension in any MDIB version.
+A <<vol1_spec_sdpi_p_actor_somds_provider>> shall include the `sdpi:EpochSupport` extension and set `sdpi:EpochSupport/@Version=1` in every system clock `pm:ClockDescriptor`, used as part of its System Function Contribution (<<acronym_sfc>>), that uses epoch versioning for abrupt time adjustments. 
 
 .Notes
 [NOTE]
 [%collapsible]
 ====
 * The presence of `sdpi:EpochSupport` indicates support for this extension and related requirements. 
 * A <<vol1_spec_sdpi_p_actor_somds_provider>> can set `ext:MustUnderstand="true"` to exclude consumers that do not understand this extension. 
-* A <<vol1_spec_sdpi_p_actor_somds_consumer>> may rely on future versions of the extension being backwards compatible. 
 
 ====
 
@@ -86,12 +85,28 @@ A <<vol1_spec_sdpi_p_actor_somds_provider>> shall include the `sdpi:EpochSupport
 .R0601
 [sdpi_requirement#r0601,sdpi_req_level=shall]
 ****
+A <<vol1_spec_sdpi_p_actor_somds_consumer>> shall ignore all epoch version information on any system clocks that do not include the `sdpi:EpochSupport` extension in any MDIB version or if the `sdpi:EpochSupport/@Version` changes within a single sequence id.
+
+.Notes
+[NOTE]
+[%collapsible]
+====
+* The `spdi:EpochSupport` extension is intended to immutable. 
+* A <<vol1_spec_sdpi_p_actor_somds_consumer>> may rely on future versions of the extension being backwards compatible. 
+
+====
+
+****
+
+.R0605
+[sdpi_requirement#r0605,sdpi_req_level=shall]
+****
 The <<vol1_spec_sdpi_p_actor_somds_provider>> shall increment `sdpi:Epochs/@Version` by exactly one, beginning from 0, for every non-slewing time adjustment to any system clock used as part of its System Function Contribution (<<acronym_sfc>>). 
 
 ****
 
-.R0602
-[sdpi_requirement#r0602,sdpi_req_level=shall]
+.R0606
+[sdpi_requirement#r0606,sdpi_req_level=shall]
 ****
 A <<vol1_spec_sdpi_p_actor_somds_provider>> shall set the version of all versioned timestamps to 0 when it assigns a new MDIB sequence identifier (`pm:MdibVersionGroup/@SequenceId`). 
 
@@ -104,8 +119,8 @@ A <<vol1_spec_sdpi_p_actor_somds_provider>> shall set the version of all version
 ====
 ****
 
-.R0605
-[sdpi_requirement#r0605,sdpi_req_level=shall]
+.R0610
+[sdpi_requirement#r0610,sdpi_req_level=shall]
 ****
 A <<vol1_spec_sdpi_p_actor_somds_provider>> that versions timestamps in any `pm:AbstractMetricValue`, `pm:AbstractContextState`, `pm:AlertSystemState`, `pm:CalibrationInfo` and/or `pm:AlertConditionState` shall include, in every clock state update, the complete history of epoch offsets from the earliest version referenced in the MDIB to the current time-reference frame version.