diff --git a/server/AyaNova/Controllers/PartController.cs b/server/AyaNova/Controllers/PartController.cs
index 31e3909d..9056a9e9 100644
--- a/server/AyaNova/Controllers/PartController.cs
+++ b/server/AyaNova/Controllers/PartController.cs
@@ -62,29 +62,7 @@ namespace AyaNova.Api.Controllers
                 return CreatedAtAction(nameof(PartController.GetPart), new { id = o.Id, version = apiVersion.ToString() }, new ApiCreatedResponse(o));
         }
 
-        // /// <summary>
-        // /// Duplicate Part
-        // /// (Wiki and Attachments are not duplicated)
-        // /// </summary>
-        // /// <param name="id">Source object id</param>
-        // /// <param name="apiVersion">From route path</param>
-        // /// <returns>Part</returns>
-        // [HttpPost("duplicate/{id}")]
-        // public async Task<IActionResult> DuplicatePart([FromRoute] long id, ApiVersion apiVersion)
-        // {
-        //     if (!serverState.IsOpen)
-        //         return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
-        //     PartBiz biz = PartBiz.GetBiz(ct, HttpContext);
-        //     if (!Authorized.HasCreateRole(HttpContext.Items, biz.BizType))
-        //         return StatusCode(403, new ApiNotAuthorizedResponse());
-        //     if (!ModelState.IsValid)
-        //         return BadRequest(new ApiErrorResponse(ModelState));
-        //     Part o = await biz.DuplicateAsync(id);
-        //     if (o == null)
-        //         return BadRequest(new ApiErrorResponse(biz.Errors));
-        //     else
-        //         return CreatedAtAction(nameof(PartController.GetPart), new { id = o.Id, version = apiVersion.ToString() }, new ApiCreatedResponse(o));
-        // }
+
 
         /// <summary>
         /// Get Part
@@ -321,6 +299,24 @@ namespace AyaNova.Api.Controllers
         }
 
 
+
+        /// <summary>
+        /// Get list of distinct prior units of meaasure entered
+        /// </summary>       
+        /// <returns>list of UOM</returns>
+        [HttpGet("prior-unit-of-measure-list")]
+        public async Task<IActionResult> GetPriorUnitsOfMeausre()
+        {
+            if (!serverState.IsOpen)
+                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
+            if (!Authorized.HasReadFullRole(HttpContext.Items, AyaType.Part))
+                return StatusCode(403, new ApiNotAuthorizedResponse());
+            // if (!ModelState.IsValid)
+            //     return BadRequest(new ApiErrorResponse(ModelState));
+            var o = await ct.Part.AsNoTracking().Select(x => x.UnitOfMeasure).Distinct().OrderBy(x => x).ToListAsync();
+            if (o == null) return NotFound(new ApiErrorResponse(ApiErrorCode.NOT_FOUND));
+            return Ok(ApiOkResponse.Response(o));
+        }
         //------------