diff --git a/container/src/finance/lib/internal/lib_ledger.bash b/container/src/finance/lib/internal/lib_ledger.bash
index 68c127e..7c68ba3 100644
--- a/container/src/finance/lib/internal/lib_ledger.bash
+++ b/container/src/finance/lib/internal/lib_ledger.bash
@@ -30,30 +30,35 @@ source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_utils.bash
 
 function lib_ledger::ledger-import()
 {
+  lib_ledger::__ledger "$@"
   lib_ledger::__ledger-import "$@"
   lib_utils::catch $?
 }
 
 function lib_ledger::ledger-cli()
 {
+  lib_ledger::__ledger "$@"
   lib_ledger::__ledger-cli "$@"
   lib_utils::catch $?
 }
 
 function lib_ledger::ledger-ui()
 {
+  lib_ledger::__ledger "$@"
   lib_ledger::__ledger-ui "$@"
   lib_utils::catch $?
 }
 
 function lib_ledger::ledger-vui()
 {
+  lib_ledger::__ledger "$@"
   lib_ledger::__ledger-vui "$@"
   lib_utils::catch $?
 }
 
 function lib_ledger::ledger-web()
 {
+  lib_ledger::__ledger "$@"
   lib_ledger::__ledger-web "$@"
   lib_utils::catch $?
 }
@@ -62,7 +67,38 @@ function lib_ledger::ledger-web()
 # Implementation
 #
 
-function lib_ledger::__ledger-import()
+# Constructor
+function lib_ledger::__ledger()
+{
+  # Base arguments to hledger before end-user added
+  [ -z "$global_child_profile_journal" ] && lib_utils::die_fatal
+  declare -g global_base_args=("-f" "$global_child_profile_journal")
+
+  #
+  # Apply features to given hledger version.
+  #
+  # CLI version formats:
+  #
+  #  hledger 1.34, linux-x86_64
+  #  hledger 1.34.99-gcf0c7c2ef-20240702, linux-x86_64
+  #
+  # TODO: hope that container platforms will package 1.35 before 1.40 rolls out
+  #
+
+  # 1.34.99 and above
+  hledger --version \
+    | gawk '{ if ($2 !~ /^1.3(4.99|([5-9][\.[0-99]?))/) { exit 1 } }' FS=' '
+
+  if [ $? -eq 0 ]; then
+    # --conf is supported
+    [ -z "$global_conf_hledger" ] && lib_utils::die_fatal
+    global_base_args+=("--conf" "$global_conf_hledger")
+  fi
+
+  lib_utils::print_debug "${global_base_args[*]}" "$@"
+}
+
+function lib_ledger::__parse_ledger-import()
 {
   [ -z "$global_usage" ] && lib_utils::die_fatal
   [ -z "$global_arg_delim_1" ] && lib_utils::die_fatal
@@ -80,7 +116,7 @@ function lib_ledger::__ledger-import()
 
 \e[32mArguments:\e[0m
 
-  Fetch year:
+  Import year:
 
     year${global_arg_delim_2}<all|year>
 
@@ -94,13 +130,11 @@ function lib_ledger::__ledger-import()
     lib_utils::die_usage "$_usage"
   fi
 
-  # Get/Set year
   if [ ! -z "$_arg" ]; then
     if [[ ! "$_arg" =~ ^year[s]?${global_arg_delim_2} ]]; then
       lib_utils::die_usage "$_usage"
     fi
 
-    # Parse key for value
     local _key="${_arg%${global_arg_delim_2}*}"
     local _len="$((${#_key} + 1))"
     if [[ "$_key" =~ ^year[s]?$ ]]; then
@@ -122,31 +156,44 @@ function lib_ledger::__ledger-import()
     global_arg_year="$(date +%Y)"
     declare -gr global_arg_year
   fi
+}
+
+function lib_ledger::__ledger-import()
+{
+  lib_ledger::__parse_ledger-import "$@"
 
-  [ -z "$global_child_profile_journal" ] && lib_utils::die_fatal
   time hledger-flow import \
-    "$(dirname $global_child_profile_journal)" --start-year "$global_arg_year"
+    "$(dirname $global_child_profile_journal)" \
+    --start-year "$global_arg_year"
 }
 
 function lib_ledger::__ledger-cli()
 {
-  hledger -f "$global_child_profile_journal" "$@"
+  [ -z "${global_base_args[*]}" ] && lib_utils::die_fatal
+
+  hledger "${global_base_args[@]}" "$@"
 }
 
 function lib_ledger::__ledger-ui()
 {
-  hledger-ui -f "$global_child_profile_journal" "$@"
+  [ -z "${global_base_args[*]}" ] && lib_utils::die_fatal
+
+  hledger-ui "${global_base_args[@]}" "$@"
 }
 
 function lib_ledger::__ledger-vui()
 {
-  hledger -f "$global_child_profile_journal" print -O csv "$@" \
+  [ -z "${global_base_args[*]}" ] && lib_utils::die_fatal
+
+  hledger "${global_base_args[@]}" print -O csv "$@" \
     | visidata --motd-url file:///dev/null --filetype csv
 }
 
 function lib_ledger::__ledger-web()
 {
-  hledger-web -f "$global_child_profile_journal" "$@"
+  [ -z "${global_base_args[*]}" ] && lib_utils::die_fatal
+
+  hledger-web "${global_base_args[@]}" "$@"
 }
 
 # vim: sw=2 sts=2 si ai et