diff --git a/DESCRIPTION b/DESCRIPTION
index 61b1e1015..c52f2c7f5 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,8 +2,8 @@ Type: Package
 Package: datapackr
 Title: A Package that Packs and Unpacks all Data Packs and Target Setting
     Tools
-Version: 7.3.0
-Date: 2024-01-12
+Version: 7.3.1
+Date: 2024-01-25
 Authors@R: c(
     person("Scott", "Jackson", , "sjackson@baosystems.com", role = c("aut", "cre")),
     person("Jason", "Pickering", , "jason.p.pickering@gmail.com", role = c("aut", "rev")),
diff --git a/NEWS.md b/NEWS.md
index 49e7311f8..7e041b988 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,14 @@
+# datapackr 7.3.1
+
+## New features
+* 
+
+## Bug fixes
+* Updated how `checkMechanisms` handles dedupe mechs.
+
+## Minor improvements and fixes
+* 
+
 # datapackr 7.3.0
 
 ## New features
diff --git a/R/checkMechanisms.R b/R/checkMechanisms.R
index eb9d8a24c..fa48c85fa 100644
--- a/R/checkMechanisms.R
+++ b/R/checkMechanisms.R
@@ -36,20 +36,9 @@ checkMechanisms <- function(d,
   #Default should only be allowable with certain data elements.
   #Allow for the default mechanism
   mechs_datim <- append("default", mechs_datim)
-  #Allow for the dedupe mechanisms in COP21/COP22/COP23 DataPacks and OPUs
 
-  #TODO: There is some discrepancy here regarding
-  #the use of OPU Data Pack and PSNUxIM.
-  #Get rid of OPU Data Pack completely and only use PSNUxIM.
-
-  can_have_dedupe <-
-    (d$info$tool %in% c("Data Pack", "OPU Data Pack") &&
-    d$info$cop_year %in% c(2021:2023)) ||
-  (d$info$tool == "PSNUxIM" && d$info$cop_year == 2023)
-
-  if (can_have_dedupe) {
-    mechs_datim <- append(c("00000", "00001"), mechs_datim)
-  }
+  #Append the dedupe mechanisms in DataPacks and OPUs
+  mechs_datim <- append(c("00000", "00001"), mechs_datim)
 
   bad_mechs <- sort(mechs_data[!(mechs_data %in% mechs_datim)])
 
diff --git a/R/getMechanismView.R b/R/getMechanismView.R
index 14587376c..d87d848e0 100644
--- a/R/getMechanismView.R
+++ b/R/getMechanismView.R
@@ -125,7 +125,6 @@ mechs %<>% dplyr::filter(!(mechanism_code %in% c("00000", "00001", "00100", "002
 if (!is.null(cop_year)) {
 
   cop_year %<>% check_cop_year(cop_year = cop_year)
-
   mechs %<>%
     dplyr::filter(
       (startdate < paste0(as.numeric(cop_year) + 1, "-10-01") &