diff --git a/NEWS.md b/NEWS.md
index 84d4bd2..e147e9a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,19 +4,25 @@
 - Added a "Report a bug" link to `{datacutr}` website (#182)
 
 ## Updates of Existing Functions
-- Update to `impute_dcutdtc()`, `create_dcut()`, `date_cut()` and `special_dm_cut()` functions
-to allow for datacut date to be null. In this case, all records for this patient will be 
-kept/left unchanged.
-- Warning added to `process_cut` if expected dataset `dm` is missing
+- Update to `impute_dcutdtc()`, `date_cut()` and `special_dm_cut()` functions to allow for 
+datacut date to be null. In this case, all records for this patient 
+will be kept/left unchanged. (#179, #188, #189, #190)
+- Warning added to `process_cut` if expected dataset `dm` is missing (#172)
+- Warning added to `create_dcut` if cut date being passed as `NULL`, 
+and not valid date or `NA`/`""` (#181)
 
 ## Breaking Changes
-- N/A
+- Added dependency on `admiraldev` >= 0.3.0 (#173)
 
 ## Documentation
-- N/A
+- Added notes on SDTM compatibility (#171)
+- Cleaned install packages code format (#177)
+- Fixed broken link to source (#184)
+- Added report a bug link to site (#182)
 
 ## Various
-- Minor documentation updates #171 #173 #177 #184
+- Added CRAN badge to site (#174)
+- Pull Request template updated (#192)
 
 # datacutr 0.1.0
 
@@ -36,4 +42,3 @@ kept/left unchanged.
 ## Various
 - N/A
 
-
diff --git a/R/create_dcut.R b/R/create_dcut.R
index 3733d61..22c0622 100644
--- a/R/create_dcut.R
+++ b/R/create_dcut.R
@@ -62,6 +62,11 @@ create_dcut <- function(dataset_ds,
    must be stored in ISO 8601 format."
   )
 
+  # Check that cut date is not NULL
+  assert_that(!is.null(cut_date),
+    msg = "Cut date is NULL, please populate as NA or valid ISO8601 date format"
+  )
+
   # Check that cut_date is in ISO 8601 format
   valid_dtc <- is_valid_dtc(cut_date)
   assert_that(valid_dtc,
diff --git a/tests/testthat/test-create_dcut.R b/tests/testthat/test-create_dcut.R
index ad6407d..1e776f2 100644
--- a/tests/testthat/test-create_dcut.R
+++ b/tests/testthat/test-create_dcut.R
@@ -50,3 +50,17 @@ test_that("One observation in DCUT", {
     expected_dcutna
   )
 })
+
+# Test 3 - Cut date as NULL
+test_that("Cut Date of NULL errors", {
+  expect_error(
+    create_dcut(
+      dataset_ds = input_ds,
+      ds_date_var = DSSTDTC,
+      filter = DSDECOD == "INFORMED CONSENT",
+      cut_date = NULL,
+      cut_description = "Patients with Informed Consent"
+    ),
+    regexp = "Cut date is NULL, please populate as NA or valid ISO8601 date format"
+  )
+})