diff --git a/src/OpenAC.Net.NFSe/Commom/Types/NFSeProvider.cs b/src/OpenAC.Net.NFSe/Commom/Types/NFSeProvider.cs
index 28ebe0b..c8faa6f 100644
--- a/src/OpenAC.Net.NFSe/Commom/Types/NFSeProvider.cs
+++ b/src/OpenAC.Net.NFSe/Commom/Types/NFSeProvider.cs
@@ -143,7 +143,7 @@ public enum NFSeProvider : sbyte
     /// Provedor IISPortoVelho.
     /// </summary>
     [Description("Porto Velho")]
-    IISPortoVelho = 32,
+    ISSPortoVelho = 32,
 
     /// <summary>
     /// Provedor IPM.
diff --git a/src/OpenAC.Net.NFSe/Providers/ProviderABRASF200.cs b/src/OpenAC.Net.NFSe/Providers/ProviderABRASF200.cs
index a8460a4..f3f1142 100644
--- a/src/OpenAC.Net.NFSe/Providers/ProviderABRASF200.cs
+++ b/src/OpenAC.Net.NFSe/Providers/ProviderABRASF200.cs
@@ -267,6 +267,7 @@ protected virtual void LoadTomador(NotaServico nota, XElement rpsRoot)
         {
             nota.Tomador.CpfCnpj = tomadorIdentificacao.ElementAnyNs("CpfCnpj")?.GetCPF_CNPJ();
             nota.Tomador.InscricaoMunicipal = tomadorIdentificacao.ElementAnyNs("InscricaoMunicipal")?.GetValue<string>() ?? string.Empty;
+            nota.Tomador.InscricaoEstadual = tomadorIdentificacao.ElementAnyNs("InscricaoEstadual")?.GetValue<string>() ?? string.Empty;
         }
 
         nota.Tomador.RazaoSocial = rootTomador.ElementAnyNs("RazaoSocial")?.GetValue<string>() ?? string.Empty;
@@ -554,6 +555,9 @@ protected virtual XElement WritePrestadorRps(NotaServico nota)
 
             ideTomador.AddChild(AddTag(TipoCampo.Str, "", "InscricaoMunicipal", 1, 15,
                 Ocorrencia.NaoObrigatoria, nota.Tomador.InscricaoMunicipal));
+
+            ideTomador.AddChild(AddTag(TipoCampo.Str, "", "InscricaoEstadual", 1, 9,
+                Ocorrencia.NaoObrigatoria, nota.Tomador.InscricaoEstadual));
         }
 
         tomador.AddChild(AddTag(TipoCampo.Str, "", "RazaoSocial", 1, 115, Ocorrencia.NaoObrigatoria, nota.Tomador.RazaoSocial));
diff --git a/src/OpenAC.Net.NFSe/Providers/ProviderManager.cs b/src/OpenAC.Net.NFSe/Providers/ProviderManager.cs
index d5149c9..9058d54 100644
--- a/src/OpenAC.Net.NFSe/Providers/ProviderManager.cs
+++ b/src/OpenAC.Net.NFSe/Providers/ProviderManager.cs
@@ -86,7 +86,7 @@ static ProviderManager()
             {NFSeProvider.Mitra, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve200, typeof(ProviderMitra)}}},
             {NFSeProvider.NFeCidades, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve201, typeof(ProviderNFeCidades)}}},
             {NFSeProvider.Pronim, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve100, typeof(ProviderPronim)},{VersaoNFSe.ve202, typeof(ProviderPronim202)}, {VersaoNFSe.ve203, typeof(ProviderPronim203)}}},
-            {NFSeProvider.IISPortoVelho, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve203, typeof(ProviderISSPortoVelho)}}},
+            {NFSeProvider.ISSPortoVelho, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve203, typeof(ProviderISSPortoVelho)}}},
             {NFSeProvider.RLZ, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve203, typeof(RLZProvider)}}},
             {NFSeProvider.SiapNet, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve201, typeof(ProviderSiapNet)}}},
             {NFSeProvider.SigISS, new Dictionary<VersaoNFSe, Type> {{VersaoNFSe.ve100, typeof(ProviderSigISS100)}, {VersaoNFSe.ve103, typeof(ProviderSigISS103)}}},