diff --git a/Project.toml b/Project.toml
index 24de493..857a2d3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "InteractiveBrokers"
 uuid = "f310f2d2-a263-11e8-3998-47bd686f18f7"
 authors = ["Luca Billi <noreply.section+dev@gmail.com>", "Olivier Milla <olivier.milla@hey.com>"]
-version = "0.20.5"
+version = "0.20.6"
 
 [deps]
 Sockets = "6462fe0b-24de-5631-8697-dd941f90decc"
diff --git a/src/process.jl b/src/process.jl
index fb1af18..eb249d8 100644
--- a/src/process.jl
+++ b/src/process.jl
@@ -272,6 +272,8 @@ const process = Dict(
                      :midOffsetAtWhole,
                      :midOffsetAtHalf), it)
 
+          ver ≥ Client.CUSTOMER_ACCOUNT && (o.customerAccount = pop(it))
+
           w.openOrder(o.orderId, c, o, os)
         end,
 
@@ -1032,6 +1034,8 @@ const process = Dict(
                      :midOffsetAtWhole,
                      :midOffsetAtHalf), it)
 
+          ver ≥ Client.CUSTOMER_ACCOUNT && (o.customerAccount = pop(it))
+
           w.completedOrder(c, o, os)
          end,
 
diff --git a/src/requests.jl b/src/requests.jl
index e884ccc..8e667d8 100644
--- a/src/requests.jl
+++ b/src/requests.jl
@@ -249,6 +249,8 @@ function placeOrder(ib::Connection, id::Int, contract::Contract, order::Order)
       order.midOffsetAtHalf)
   end
 
+  ib.version ≥ Client.CUSTOMER_ACCOUNT && o(order.customerAccount)
+
   sendmsg(ib, o)
 end
 
@@ -372,7 +374,7 @@ function reqHistoricalData(ib::Connection, tickerId::Int, contract::Contract, en
   sendmsg(ib, o)
 end
 
-function exerciseOptions(ib::Connection, tickerId::Int, contract::Contract, exerciseAction::Int, exerciseQuantity::Int, account::String, override::Int, manualOrderTime::String)
+function exerciseOptions(ib::Connection, tickerId::Int, contract::Contract, exerciseAction::Int, exerciseQuantity::Int, account::String, override::Int, manualOrderTime::String, customerAccount::String)
 
   o = enc()
 
@@ -386,6 +388,8 @@ function exerciseOptions(ib::Connection, tickerId::Int, contract::Contract, exer
 
   ib.version ≥ Client.MANUAL_ORDER_TIME_EXERCISE_OPTIONS && o(manualOrderTime)
 
+  ib.version ≥ Client.CUSTOMER_ACCOUNT && o(customerAccount)
+
   sendmsg(ib, o)
 end
 
diff --git a/src/types_mutable.jl b/src/types_mutable.jl
index 4a600de..e103d3a 100644
--- a/src/types_mutable.jl
+++ b/src/types_mutable.jl
@@ -167,6 +167,7 @@ mutable struct Order
   competeAgainstBestOffset::Union{Float64,Nothing}
   midOffsetAtWhole::Union{Float64,Nothing}
   midOffsetAtHalf::Union{Float64,Nothing}
+  customerAccount::String
 end
 Order() = Order(0, 0, 0, ns, 0, ns, nothing, nothing, ns, ns, ns, ns, 0, ns, true, 0,
                 false, false, nothing, 0, false, false, ns, ns, ns, false, nothing, nothing,
@@ -178,7 +179,7 @@ Order() = Order(0, 0, 0, ns, 0, ns, nothing, nothing, ns, ns, ns, ns, 0, ns, tru
                 fill(nothing, 4)..., 0, nothing, [], false, false, ns, SoftDollarTier(),
                 nothing, ns, ns, ns, ns, false, false, false, ns, nothing, nothing,
                 false, ns, false, false, fill(nothing, 4)..., ns, ns,
-                fill(nothing, 5)...)
+                fill(nothing, 5)..., ns)
 
 
 mutable struct ScannerSubscription
diff --git a/src/versions.jl b/src/versions.jl
index 33f957a..a766462 100644
--- a/src/versions.jl
+++ b/src/versions.jl
@@ -7,5 +7,6 @@
   MANUAL_ORDER_TIME_EXERCISE_OPTIONS = 180
   OPEN_ORDER_AD_STRATEGY             = 181
   LAST_TRADE_DATE                    = 182
+  CUSTOMER_ACCOUNT                   = 183
 
 end