diff --git a/lv/lv0300a.uml b/lv/lv0300a.uml
index d186078e7..a43ecd426 100755
--- a/lv/lv0300a.uml
+++ b/lv/lv0300a.uml
@@ -320,7 +320,7 @@ END
 STRING F_CAUSLAVDESC 48
 BEGIN
    PROMPT 26 19 ""
-   USE CAU KEY 2
+   USE &CAU KEY 2
    INPUT S0 F_CAUSLAVDESC
    DISPLAY "Descrizione@50" S0
    DISPLAY "Codice" CODTAB
@@ -344,7 +344,7 @@ END
 STRING F_CAULVRITDTDE 48
 BEGIN
    PROMPT 26 20 ""
-   USE CAU KEY 2
+   USE &CAU KEY 2
    INPUT S0 F_CAUSLAVDESC
    DISPLAY "Descrizione@50" S0
    DISPLAY "Codice" CODTAB
@@ -352,10 +352,10 @@ BEGIN
    CHECKTYPE REQUIRED
 END
 
-STRING F_CAUCARMAG 3
+STRING F_CAUCARMAG 5
 BEGIN
    PROMPT 2 21 "Cau. Car. Mag.   "
-   USE &CAU
+   USE %CAU KEY 1
    INPUT CODTAB F_CAUCARMAG
    DISPLAY "Codice" CODTAB
    DISPLAY "Descrizione@50" S0
@@ -365,10 +365,10 @@ BEGIN
    CHECKTYPE REQUIRED
 END
 
-STRING F_CAUCARMAGDE 48
+STRING F_CAUCARMAGDE 50 46
 BEGIN
-   PROMPT 26 21 ""
-   USE CAU KEY 2
+   PROMPT 28 21 ""
+   USE %CAU KEY 2
    INPUT S0 F_CAUCARMAGDE
    DISPLAY "Descrizione@50" S0
    DISPLAY "Codice" CODTAB
@@ -376,10 +376,10 @@ BEGIN
    CHECKTYPE REQUIRED
 END
 
-STRING F_CAUSCARMAG 3
+STRING F_CAUSCARMAG 5
 BEGIN
    PROMPT 2 22 "Cau. Scar. Mag.  "
-   USE &CAU
+   USE %CAU KEY 1
    INPUT CODTAB F_CAUSCARMAG
    DISPLAY "Codice" CODTAB
    DISPLAY "Descrizione@50" S0
@@ -389,10 +389,10 @@ BEGIN
    CHECKTYPE REQUIRED
 END
 
-STRING F_CAUSCARMAGDE 48
+STRING F_CAUSCARMAGDE 50 46
 BEGIN
-   PROMPT 26 22 ""
-   USE CAU KEY 2
+   PROMPT 28 22 ""
+   USE %CAU KEY 2
    INPUT S0 F_CAUSCARMAGDE
    DISPLAY "Descrizione@50" S0
    DISPLAY "Codice" CODTAB