diff --git a/read_config b/read_config
index bb994a3..655e31c 100755
--- a/read_config
+++ b/read_config
@@ -132,11 +132,11 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
 
     check_sanity_of_repository () {
         local func="${FUNCNAME[0]}"
-    
+        
         if [ "$PWD" != "$WORKING_DIRECTORY" ]; then
             log_fatal "$func:${LINENO} PD != WD ($PWD != $WORKING_DIRECTORY)"
         fi
-        
+	
         assert_d CUSTOMER_ID_BASE_DIR
         
         CUSTOMER_LOCATION_DIR="$CUSTOMER_ID_BASE_DIR"
@@ -168,7 +168,6 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         # readonly CUST_BASE_DIRS=(${__customer_base_dirs[@]})
         # assert_a CUST_BASE_DIRS
         
-
         readonly CUST_BASE_DIR="$CUSTOMER_ID_BASE_DIR"
         #readonly CUST_BASE_DIR="${CUST_BASE_DIRS[$ZONE]}"
         #assert_d CUST_BASE_DIR
@@ -202,10 +201,7 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly             ISMASMGR_INI="ISMASMgr.ini"
         readonly              SYSCONF_INI="sysconfig.ini"
         readonly              SYSCTRL_INI="SystemControl.ini"
-        readonly           TARIFF_CURRENT="tariff.current"
         readonly                       DC="dc2c.bin"
-        readonly            TARIFF_SUMMER="summer_tariff.json"
-        readonly            TARIFF_WINTER="winter_tariff.json"
         
         readonly           DC_SYS_DC_FILE="${DC_SYS_DIR}/$DC"
         readonly   ATBQT_ATB_SYS_BIN_FILE="${ATBAPP_SYS_DIR}/$ATBQT_BIN"
@@ -224,14 +220,11 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly SYSCTRL_SCF_SYS_INI_FILE="${SYSCONFIG_SYS_DIR}/$SYSCTRL_INI"
         # readonly                ZONE_FILE="$ETC_SYS_DIR/zone_nr"
         readonly             CUST_ID_FILE="$ETC_SYS_DIR/cust_nr"
-        readonly           TC_SYS_TC_FILE="${ATBAPP_SYS_DIR}/$TARIFF_CURRENT"
         readonly       OPKG_CMDS_SYS_FILE="${OPKG_SYS_DIR}/opkg_commands"
         readonly     DC2C_SYS_SERIAL_JSON="${CONF_SYS_DIR}/DC2C_serial.json"
         readonly       DC2C_SYS_CASH_JSON="${CONF_SYS_DIR}/DC2C_cash.json"
         readonly       DC2C_SYS_CONF_JSON="${CONF_SYS_DIR}/DC2C_conf.json"
         readonly           DC_PSA_DC_FILE="${DC_PSA_DIR}/$DC"
-        readonly        TARIFF_SYS_SUMMER="${TARIFF_SYS_DIR}${TARIFF_SUMMER}"
-        readonly        TARIFF_SYS_WINTER="${TARIFF_SYS_DIR}${TARIFF_WINTER}"
 
         readonly   ATBQT_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$ATBQT_INI"
         readonly   ATBQT_APP_PSA_INI_FILE="${ATBAPP_PSA_DIR}/$ATBQT_INI"
@@ -247,7 +240,6 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly SYSCTRL_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$SYSCTRL_INI"
         readonly SYSCTRL_SCF_PSA_INI_FILE="${SYSCONFIG_PSA_DIR}/$SYSCTRL_INI"
         readonly       OPKG_CMDS_PSA_FILE="${OPKG_PSA_DIR}/opkg_commands"
-        readonly           TC_PSA_TC_FILE="${ATBAPP_PSA_DIR}/$TARIFF_CURRENT"
         # readonly          PSA_UPDATE_CONF="${CUSTOMER_LOCATION_DIR}/update.conf"
         readonly     DC2C_PSA_SERIAL_JSON="${CONF_PSA_DIR}/DC2C_serial.json"
         readonly       DC2C_PSA_CASH_JSON="${CONF_PSA_DIR}/DC2C_cash.json"
@@ -294,7 +286,6 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         assert_f SYSCTRL_ETC_SYS_INI_FILE
         assert_f SYSCTRL_ATB_SYS_INI_FILE
         assert_f SYSCTRL_SCF_SYS_INI_FILE
-        assert_f TC_SYS_TC_FILE
         assert_f OPKG_CMDS_SYS_FILE
         assert_f DC2C_SYS_CONF_JSON
         assert_f DC2C_SYS_SERIAL_JSON
@@ -314,7 +305,6 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         assert_f SYSCTRL_ETC_PSA_INI_FILE
         assert_f SYSCTRL_ATB_PSA_INI_FILE
         assert_f SYSCTRL_SCF_PSA_INI_FILE
-        assert_f TC_PSA_TC_FILE
         # assert_f PSA_UPDATE_CONF
         assert_f OPKG_CMDS_PSA_FILE
         assert_f DC2C_PSA_CONF_JSON