diff --git a/APLSource/.linkconfig b/APLSource/.linkconfig
index 288399a9..d07045b4 100644
--- a/APLSource/.linkconfig
+++ b/APLSource/.linkconfig
@@ -1,10 +1 @@
-
-{
-  LinkVersion: { ID: "4.0.20"},
-
-  Settings: {
-    fastLoad: 1,
-    forceFilenames: 1,
-    watch: "both",
-  },
-}
+{
  LinkVersion: { ID: "4.0.20"},

  Settings: {
    fastLoad: 1,
    forceFilenames: 1,
    watch: "both",
  },
}
diff --git a/APLSource/Cider/AddTatinDependencies.aplf b/APLSource/Cider/AddTatinDependencies.aplf
index 475adf31..49b31037 100644
--- a/APLSource/Cider/AddTatinDependencies.aplf
+++ b/APLSource/Cider/AddTatinDependencies.aplf
@@ -4,6 +4,9 @@
  :If 1<≡packageIDs
      packageIDs←⊃1↓,/',',¨packageIDs
  :EndIf
+ :If ∧/'[]'∊projectFolder
+     projectFolder←GetFolderFromAlias2 projectFolder
+ :EndIf
  cfg←ReadProjectConfigFile projectFolder
  :If dev
      ref←cfg.CIDER.dependencies_dev
diff --git a/APLSource/Cider/UC/AddTatinDependencies.aplf b/APLSource/Cider/UC/AddTatinDependencies.aplf
index 85c4b471..57368105 100644
--- a/APLSource/Cider/UC/AddTatinDependencies.aplf
+++ b/APLSource/Cider/UC/AddTatinDependencies.aplf
@@ -5,7 +5,7 @@
  development←0 Args.Switch'development'
  targetNamespace←''Args.Switch'target'
  :If IsAlias projectFolder
-     projectFolder←P.GetFolderFromAlias projectFolder
+     projectFolder←P.##.GetFolderFromAlias2 projectFolder
  :Else
      projectFolder←'GetProjectPathForAddingTatinPkgs@Which project would you like to add Tatin packages to?'GetProjectPath projectFolder
  :EndIf
diff --git a/APLSource/TestCases/Test_AddTatinDep_001.aplf b/APLSource/TestCases/Test_AddTatinDep_001.aplf
index a8bb9566..4a881086 100644
--- a/APLSource/TestCases/Test_AddTatinDep_001.aplf
+++ b/APLSource/TestCases/Test_AddTatinDep_001.aplf
@@ -1,5 +1,5 @@
  R←Test_AddTatinDep_001(stopFlag batchFlag);⎕TRAP;folder;tempDir;parms;log;res;list;success;configfile;config
-⍝ Exercise AddTatinDependencies
+⍝ Exercise AddTatinDependencies in its most simple form: single package from https://tatin.dev
  ⎕TRAP←(999 'C' '∘∘∘ ⍝ Deliberate error')(0 'N')
  R←T._Failed
 
@@ -23,8 +23,8 @@
  →T.GoToTidyUp~success
  →T.GoToTidyUp∨/'ERROR'⍷log
 
- list←##.Cider.AddTatinDependencies'[tatin]APLTreeUtils2,[tatin]FilesAndDirs'tempDir 0
- →T.GoToTidyUp 2≠≢list
+ list←##.Cider.AddTatinDependencies'https://tatin.dev/APLTreeUtils2'tempDir 0
+ →T.GoToTidyUp 1≠≢list
 
  res←(~parms.batch)##.Cider.CloseProject tempDir
  →T.GoToTidyUp res≠1
@@ -35,7 +35,6 @@
  →T.GoToTidyUp∨/'ERROR'⍷log
 
  {}#.TEMP.APLTreeUtils2.GetOperatingSystem ⍬
- {}#.TEMP.FilesAndDirs.PWD
 
  res←(~parms.batch)##.Cider.CloseProject tempDir
  →T.GoToTidyUp res≠1
diff --git a/APLSource/TestCases/Test_AddTatinDep_002.aplf b/APLSource/TestCases/Test_AddTatinDep_002.aplf
new file mode 100644
index 00000000..d568bb2b
--- /dev/null
+++ b/APLSource/TestCases/Test_AddTatinDep_002.aplf
@@ -0,0 +1,49 @@
+ R←Test_AddTatinDep_002(stopFlag batchFlag);⎕TRAP;folder;tempDir;parms;log;res;list;success;configfile;config
+⍝ Exercise AddTatinDependencies with alias names: two packages, both with a registry alias
+ ⎕TRAP←(999 'C' '∘∘∘ ⍝ Deliberate error')(0 'N')
+ R←T._Failed
+
+ #.⎕SHADOW'TEMP' ⋄ 'TEMP'#.⎕NS''
+ folder←∆GetTestPath⊃⎕SI
+ tempDir←∆GetFolderInTempDir⊃⎕SI
+ tempDir ⎕NCOPY⍠1⊢folder,'/*'
+
+ configfile←tempDir,'/cider.config'
+ config←##.Cider.Get_JSON5 configfile
+ config.CIDER.dependencies.tatin←'tatin-packages'
+ config ##.Cider.Put_JSON5 configfile
+
+ ##.Cider.C.YesOrNo_Answers←1 2⍴'ChangeCurrentDir@' 'n'
+ parms←##.Cider.CreateOpenParms''
+ parms.folder←tempDir
+ parms.batch←1
+ parms.ignoreUserExec←1
+
+ (success log)←##.Cider.OpenProject parms
+ →T.GoToTidyUp~success
+ →T.GoToTidyUp∨/'ERROR'⍷log
+
+ list←##.Cider.AddTatinDependencies'[tatin]APLTreeUtils2,[tatin]FilesAndDirs'tempDir 0
+ →T.GoToTidyUp 2≠≢list
+
+ res←(~parms.batch)##.Cider.CloseProject tempDir
+ →T.GoToTidyUp res≠1
+
+ #.TEMP.(⎕EX ⎕NL-⍳9)
+ (success log)←##.Cider.OpenProject parms
+ →T.GoToTidyUp~success
+ →T.GoToTidyUp∨/'ERROR'⍷log
+
+ {}#.TEMP.APLTreeUtils2.GetOperatingSystem ⍬
+ {}#.TEMP.FilesAndDirs.PWD
+
+ res←(~parms.batch)##.Cider.CloseProject tempDir
+ →T.GoToTidyUp res≠1
+
+ R←T._OK
+
+∆TidyUp:
+ ##.Cider.C.Cleanup
+ {}∆LINK'Break' '#.TEMP'
+ FilesAndDirs.RmDir tempDir,'/..'
+⍝Done
diff --git a/APLSource/TestCases/Test_AddTatinDep_003.aplf b/APLSource/TestCases/Test_AddTatinDep_003.aplf
new file mode 100644
index 00000000..aab0e2af
--- /dev/null
+++ b/APLSource/TestCases/Test_AddTatinDep_003.aplf
@@ -0,0 +1,52 @@
+ R←Test_AddTatinDep_003(stopFlag batchFlag);⎕TRAP;folder;tempDir;parms;log;res;list;success;configfile;config;alias
+⍝ Exercise AddTatinDependencies and add a package
+ ⎕TRAP←(999 'C' '∘∘∘ ⍝ Deliberate error')(0 'N')
+ R←T._Failed
+
+ #.⎕SHADOW'TEMP' ⋄ 'TEMP'#.⎕NS''
+ folder←∆GetTestPath⊃⎕SI
+ tempDir←∆GetFolderInTempDir⊃⎕SI
+ tempDir ⎕NCOPY⍠1⊢folder,'/*'
+ alias←'MyAliias_',⊃⎕SI
+ res←⎕SE.Cider.AddAlias tempDir alias
+ Assert 0=≢res
+
+ configfile←tempDir,'/cider.config'
+ config←##.Cider.Get_JSON5 configfile
+ config.CIDER.dependencies.tatin←'tatin-packages'
+ config ##.Cider.Put_JSON5 configfile
+
+ ##.Cider.C.YesOrNo_Answers←1 2⍴'ChangeCurrentDir@' 'n'
+ parms←##.Cider.CreateOpenParms''
+ parms.folder←tempDir
+ parms.batch←1
+ parms.ignoreUserExec←1
+
+ (success log)←##.Cider.OpenProject parms
+ →T.GoToTidyUp~success
+ →T.GoToTidyUp∨/'ERROR'⍷log
+
+ list←##.Cider.AddTatinDependencies'https://tatin.dev/APLTreeUtils2'('[',alias,']')0
+ →T.GoToTidyUp 1≠≢list
+
+ res←(~parms.batch)##.Cider.CloseProject tempDir
+ →T.GoToTidyUp res≠1
+
+ #.TEMP.(⎕EX ⎕NL-⍳9)
+ (success log)←##.Cider.OpenProject parms
+ →T.GoToTidyUp~success
+ →T.GoToTidyUp∨/'ERROR'⍷log
+
+ {}#.TEMP.APLTreeUtils2.GetOperatingSystem ⍬
+
+ res←(~parms.batch)##.Cider.CloseProject tempDir
+ →T.GoToTidyUp res≠1
+
+ R←T._OK
+
+∆TidyUp:
+ ##.Cider.C.Cleanup
+ {}∆LINK'Break' '#.TEMP'
+ FilesAndDirs.RmDir tempDir,'/..'
+ ⎕SE.Cider.DropAlias alias
+⍝Done
diff --git a/APLSource/TestCases/Test_UC_047.aplf b/APLSource/TestCases/Test_UC_047.aplf
index 9286b8a2..15415705 100644
--- a/APLSource/TestCases/Test_UC_047.aplf
+++ b/APLSource/TestCases/Test_UC_047.aplf
@@ -1,5 +1,5 @@
- R←Test_UC_047(stopFlag batchFlag);⎕TRAP;res;msg;rc;folder;parms;tempDir;success;log;stop;expected
-⍝ Exercise ]Cider.AddTatinDependencies without loading
+ R←Test_UC_047(stopFlag batchFlag);⎕TRAP;res;msg;rc;folder;parms;tempDir;success;log;stop;expected;alias
+⍝ Exercise ]Cider.AddTatinDependencies without loading; uses a projet alias
  ⎕TRAP←(999 'C' '∘∘∘ ⍝ Deliberate error')(0 'N')
  R←T._Failed
 
@@ -11,6 +11,9 @@
  folder←∆GetTestPath⊃⎕SI
  tempDir←∆GetFolderInTempDir⊃⎕SI
  tempDir ⎕NCOPY⍠1⊢folder,'/*'
+ alias←'MyAliias_',⊃⎕SI
+ res←⎕SE.Cider.AddAlias tempDir alias
+ Assert 0=≢res
 
  parms←##.Cider.CreateOpenParms''
  parms.folder←∊⎕NPARTS tempDir
@@ -26,7 +29,7 @@
  stop←0
  ##.Cider.C.AddAutomation'YesOrNo' 'AddTatinDeps@' 'y'
  ##.Cider.C.AddAutomation'YesOrNo' 'LoadTatinDependenciesAfterAdding@' 'n'
- (rc msg res)←stop ∆UCMD'AddTatinDependencies FilesAndDirs,APLTreeUtils2 "',tempDir,'"'
+ (rc msg res)←stop ∆UCMD'AddTatinDependencies FilesAndDirs,APLTreeUtils2 [',alias,']'
  →T.GoToTidyUp rc≠0
  →T.GoToTidyUp 0≠≢msg
  expected←'2 Tatin dependencies added:' 'aplteam-FilesAndDirs-' 'aplteam-APLTreeUtils2-'
@@ -38,4 +41,5 @@
  ##.Cider.C.Cleanup
  {}∆LINK'Break' '#.TEMP'
  FilesAndDirs.RmDir tempDir,'/..'
+ ⎕SE.Cider.DropAlias alias
 ⍝Done
diff --git a/Tests/Test_AddTatinDep_002/APLSource/Hello.aplf b/Tests/Test_AddTatinDep_002/APLSource/Hello.aplf
new file mode 100644
index 00000000..76d2bbb1
--- /dev/null
+++ b/Tests/Test_AddTatinDep_002/APLSource/Hello.aplf
@@ -0,0 +1,2 @@
+ r←Hello
+ r←'World'
diff --git a/Tests/Test_AddTatinDep_002/cider.config b/Tests/Test_AddTatinDep_002/cider.config
new file mode 100644
index 00000000..25094539
--- /dev/null
+++ b/Tests/Test_AddTatinDep_002/cider.config
@@ -0,0 +1,27 @@
+{
+  CIDER: {
+    dependencies: {
+      tatin: "",
+    },
+    dependencies_dev: {
+      tatin: "",
+    },
+    distributionFolder: "",
+    init: "",
+    make: "",
+    parent: "#",
+    projectSpace: "TEMP",
+    project_url: "",
+    source: "APLSource",
+    tests: "",
+  },
+  LINK: {    
+    watch: "ns",
+  },
+  SYSVARS: {
+    io: 1,
+    ml: 1,
+  },
+  USER: {
+  },
+}
diff --git a/Tests/Test_AddTatinDep_003/APLSource/Hello.aplf b/Tests/Test_AddTatinDep_003/APLSource/Hello.aplf
new file mode 100644
index 00000000..76d2bbb1
--- /dev/null
+++ b/Tests/Test_AddTatinDep_003/APLSource/Hello.aplf
@@ -0,0 +1,2 @@
+ r←Hello
+ r←'World'
diff --git a/Tests/Test_AddTatinDep_003/cider.config b/Tests/Test_AddTatinDep_003/cider.config
new file mode 100644
index 00000000..25094539
--- /dev/null
+++ b/Tests/Test_AddTatinDep_003/cider.config
@@ -0,0 +1,27 @@
+{
+  CIDER: {
+    dependencies: {
+      tatin: "",
+    },
+    dependencies_dev: {
+      tatin: "",
+    },
+    distributionFolder: "",
+    init: "",
+    make: "",
+    parent: "#",
+    projectSpace: "TEMP",
+    project_url: "",
+    source: "APLSource",
+    tests: "",
+  },
+  LINK: {    
+    watch: "ns",
+  },
+  SYSVARS: {
+    io: 1,
+    ml: 1,
+  },
+  USER: {
+  },
+}