| eCDNone  | 
=0: No check digit calculation is performed  | 
| eCDStandard  | 
=1: Standard check digit of barcode type will be used  | 
| eCDMod10  | 
=2: Modulo 10 (usually used with Interleaved 2of5)  | 
| eCDMod43  | 
=3: Modulo 43 (suggested for Code39 and Logmars, consist of 1 digit)  | 
| eCD2Mod47  | 
=4: Modulo 47 (2 digits)  | 
| eCDDPLeit  | 
=5: Method for DP Leitcode  | 
| eCDDPIdent  | 
=6: Method for DP Identcode  | 
| eCD1Code11  | 
=7: Method for Code11 (1 digit)  | 
| eCD2Code11  | 
=8: Method for Code11 (2 digits)  | 
| eCDUSPSPostnet  | 
=9: Method for USPS PostNet  | 
| eCDMSI1  | 
=10: Method for MSI (Modulo 10, 1 digit)  | 
| eCDMSI2  | 
=11: Method for MSI (Modulo 10, 2 digits)  | 
| eCDPlessey  | 
=12: Method for Plessey  | 
| eCDEAN8  | 
=13: Method for EAN 8  | 
| eCDEAN13  | 
=14: Method for EAN 13  | 
| eCDUPCA  | 
=15: Method for UPC A  | 
| eCDUPCE  | 
=16: Method for UPC E  | 
| eCDEAN128  | 
=17: EAN 128 internal method (Modulo 103)  | 
| eCDCode128  | 
=18: Code 128 internal method (Modulo 103)  | 
| eCDRM4SCC  | 
=19: Method for Royal Mail 4 State  | 
| eCDPZN  | 
=20: Mod 11 Method for PZN.  | 
| eCDMod11W7  | 
=21: Mod 11 (using weight 7)  | 
| eCDEAN14  | 
=22: Method for EAN 14  | 
| eCDMod10Kor  | 
=23: Method for Korean Postal Authority (Modulo 10 based)  | 
| eCDMod10Pla  | 
=24: Method for Planet (Modulo 10 based)  | 
| eCDMod10ItlPst25  | 
=25: Method for Italian Postal 2/5 (Modulo 10 based)  | 
| eCDMod36  | 
=26: Mod 36 (ISO/IES 7064) for DPD Barcode  | 
| eCDMod16  | 
=27: Mod 16 for Codabar Barcode  |