#define F_CODNUM     101
#define F_ANNO       102
#define F_PROVV      103
#define F_DA_NDOC    106
#define F_A_NDOC     107

#define F_DA_DATADOC 108
#define F_A_DATADOC  109

#define F_TIPOCF     110
#define F_CODFR      111
#define F_CODTO      112
#define F_RAGSOCFR   113
#define F_RAGSOCTO   114
#define F_SERVFR     115
#define F_SERVTO     116
   
#define F_SHEETNUMS  201

#define GROUP_IMPORTI 31