diff --git a/Morpher.WebService.V3.Client/BadRequestException.cs b/Morpher.WebService.V3.Client/BadRequestException.cs
index be2b382..3e8fa4b 100644
--- a/Morpher.WebService.V3.Client/BadRequestException.cs
+++ b/Morpher.WebService.V3.Client/BadRequestException.cs
@@ -5,10 +5,17 @@ namespace Morpher.WebService.V3
     class BadRequestException : Exception
     {
         public int Status { get; }
+        public int ErrorCode { get; }
 
         public BadRequestException(int status)
         {
             Status = status;
         }
+
+        public BadRequestException(int status, int errorCode)
+        {
+            Status = status;
+            ErrorCode = errorCode;
+        }
     }
 }
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/MyWebClient.cs b/Morpher.WebService.V3.Client/MyWebClient.cs
index 6bd5e46..9d10205 100644
--- a/Morpher.WebService.V3.Client/MyWebClient.cs
+++ b/Morpher.WebService.V3.Client/MyWebClient.cs
@@ -5,6 +5,7 @@
 
 namespace Morpher.WebService.V3
 {
+    using System.Collections.Generic;
     using System.Collections.Specialized;
     using Newtonsoft.Json;
 
@@ -136,7 +137,14 @@ static void TryToThrowMorpherException(WebException exc)
                             throw new InvalidServerResponseException(exc);
                     }
 
-                    throw new BadRequestException(status);
+                    var jsonResponse = new StreamReader(httpWebResponse.GetResponseStream()).ReadToEnd();
+
+                    var resp = JsonConvert.DeserializeObject<Dictionary<string, string>>(jsonResponse);
+                    string errorCode = "";
+                    if (resp.TryGetValue("code", out errorCode))
+                        throw new BadRequestException(status, int.Parse(errorCode));
+                    else
+                        throw new BadRequestException(status);
                 }
 
                 if (status >= 500)
diff --git a/Morpher.WebService.V3.Client/Russian/Client.cs b/Morpher.WebService.V3.Client/Russian/Client.cs
index ffe6e34..ebf7454 100644
--- a/Morpher.WebService.V3.Client/Russian/Client.cs
+++ b/Morpher.WebService.V3.Client/Russian/Client.cs
@@ -153,5 +153,43 @@ public List<string> Adjectivize(string lemma)
                 return client.GetObject<List<string>>("/russian/adjectivize");
             }
         }
+
+        public Propis GetPropis(decimal n, string currency,
+            string padeg, string capitals, string nbsp, string delim)
+        {
+            if (string.IsNullOrWhiteSpace(currency))
+            {
+                throw new ArgumentEmptyException(nameof(currency));
+            }
+
+            using (var client = _newClient())
+            {
+
+                try
+                {
+                    client.AddParam("n", n.ToString(CultureInfo.InvariantCulture));
+                    client.AddParam("currency", currency);
+                    client.AddParam("case", padeg);
+                    client.AddParam("capitals", capitals);
+                    client.AddParam("nbsp", nbsp);
+                    client.AddParam("delim", delim);
+
+                    return client.GetObject<Propis>("/russian/propis");
+                }
+                catch (BadRequestException e)
+                {
+                    switch (e.ErrorCode)
+                    {
+                        case 20: throw new WrongCurrencyException(nameof(currency));
+                        case 21: throw new InvalidCapitalsValueException(nameof(capitals));
+                        case 22: throw new InvalidCaseValueException("case");
+                        case 23: throw new InvalidDelimValueException(nameof(delim));
+                        case 24: throw new InvalidNbspValueException(nameof(nbsp));
+                    }
+
+                    throw;
+                }
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/Russian/InvalidCapitalsValueException.cs b/Morpher.WebService.V3.Client/Russian/InvalidCapitalsValueException.cs
new file mode 100644
index 0000000..e5c6ced
--- /dev/null
+++ b/Morpher.WebService.V3.Client/Russian/InvalidCapitalsValueException.cs
@@ -0,0 +1,13 @@
+namespace Morpher.WebService.V3.Russian
+{
+    public class InvalidCapitalsValueException : InvalidArgumentException
+    {
+        public override string Message =>
+            "Неправильное значение параметра capitals. Допустимые значения: frist/all/none.";
+
+        public InvalidCapitalsValueException(string parameterName)
+            : base(parameterName)
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/Russian/InvalidCaseValueException.cs b/Morpher.WebService.V3.Client/Russian/InvalidCaseValueException.cs
new file mode 100644
index 0000000..21aee5a
--- /dev/null
+++ b/Morpher.WebService.V3.Client/Russian/InvalidCaseValueException.cs
@@ -0,0 +1,13 @@
+namespace Morpher.WebService.V3.Russian
+{
+    public class InvalidCaseValueException : InvalidArgumentException
+    {
+        public override string Message =>
+            "Неправильное значение параметра case. Допустимые значения: nominative/genitive/dative/accusative/instrumental/prepositional.";
+
+        public InvalidCaseValueException(string parameterName)
+            : base(parameterName)
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/Russian/InvalidDelimValueException.cs b/Morpher.WebService.V3.Client/Russian/InvalidDelimValueException.cs
new file mode 100644
index 0000000..835e2a4
--- /dev/null
+++ b/Morpher.WebService.V3.Client/Russian/InvalidDelimValueException.cs
@@ -0,0 +1,13 @@
+namespace Morpher.WebService.V3.Russian
+{
+    public class InvalidDelimValueException : InvalidArgumentException
+    {
+        public override string Message =>
+            "Неправильное значение параметра delim. Допустимые значения: thinsp/space/none/comma/dot.";
+
+        public InvalidDelimValueException(string parameterName)
+            : base(parameterName)
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/Russian/InvalidNbspValueException.cs b/Morpher.WebService.V3.Client/Russian/InvalidNbspValueException.cs
new file mode 100644
index 0000000..d9e0853
--- /dev/null
+++ b/Morpher.WebService.V3.Client/Russian/InvalidNbspValueException.cs
@@ -0,0 +1,13 @@
+namespace Morpher.WebService.V3.Russian
+{
+    public class InvalidNbspValueException : InvalidArgumentException
+    {
+        public override string Message =>
+            "Неправильное значение параметра nbsp. Допустимые значения: all/none.";
+
+        public InvalidNbspValueException(string parameterName)
+            : base(parameterName)
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/Russian/Propis.cs b/Morpher.WebService.V3.Client/Russian/Propis.cs
new file mode 100644
index 0000000..84269cc
--- /dev/null
+++ b/Morpher.WebService.V3.Client/Russian/Propis.cs
@@ -0,0 +1,26 @@
+using System.Runtime.Serialization;
+
+namespace Morpher.WebService.V3.Russian
+{
+    [DataContract]
+    public class Propis
+    {
+        [DataMember(Name = "propis1")]
+        public string Propis1 { get; set; }
+
+        [DataMember(Name = "propis2")]
+        public string Propis2 { get; set; }
+
+        [DataMember(Name = "propis3")]
+        public string Propis3 { get; set; }
+
+        [DataMember(Name = "amount")]
+        public string Amount { get; set; }
+
+        [DataMember(Name = "currency")]
+        public string Currency { get; set; }
+
+        [DataMember(Name = "cents")]
+        public string Cents { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/Morpher.WebService.V3.Client/Russian/WrongCurrencyException.cs b/Morpher.WebService.V3.Client/Russian/WrongCurrencyException.cs
new file mode 100644
index 0000000..f97d896
--- /dev/null
+++ b/Morpher.WebService.V3.Client/Russian/WrongCurrencyException.cs
@@ -0,0 +1,13 @@
+namespace Morpher.WebService.V3.Russian
+{
+    public class WrongCurrencyException : InvalidArgumentException
+    {
+        public override string Message =>
+            "Неправильное значение параметра currency.";
+
+        public WrongCurrencyException(string parameterName)
+            : base(parameterName)
+        {
+        }
+    }
+}
\ No newline at end of file