| eCDNone  | 
 =0: No check digit calculation is performed  
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| eCDStandard  | 
 =1: Standard check digit of barcode type will be used (see e_BarCType). User supplied check digits in input data are verified (with fixed length bar code types).  
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| eCDMod10  | 
 =2: Modulo 10 (usually used with Interleaved 2of5)  
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| eCDMod43  | 
 =3: Modulo 43 (suggested for Code39 and Logmars, consist of 1 digit)  
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| eCD2Mod47  | 
 =4: Modulo 47 (2 digits)  
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| eCDDPLeit  | 
 =5: Method for DP Leitcode  
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| eCDDPIdent  | 
 =6: Method for DP Identcode  
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| eCD1Code11  | 
 =7: Method for Code11 (1 digit)  
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| eCD2Code11  | 
 =8: Method for Code11 (2 digits)  
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| eCDUSPSPostnet  | 
 =9: Method for USPS PostNet  
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| eCDMSI1  | 
 =10: Method for MSI (Modulo 10, 1 digit)  
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| eCDMSI2  | 
 =11: Method for MSI (Modulo 10, 2 digits)  
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| eCDPlessey  | 
 =12: Method for Plessey  
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| eCDEAN8  | 
 =13: Method for EAN 8  
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| eCDEAN13  | 
 =14: Method for EAN 13  
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| eCDUPCA  | 
 =15: Method for UPC A  
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| eCDUPCE  | 
 =16: Method for UPC E  
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| eCDEAN128  | 
 =17: EAN 128 internal method (Modulo 103)  
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| eCDCode128  | 
 =18: Code 128 internal method (Modulo 103)  
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| eCDRM4SCC  | 
 =19: Method for Royal Mail 4 State  
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| eCDPZN  | 
 =20: Mod 11 Method for PZN.  
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| eCDMod11W7  | 
 =21: Mod 11 (using weight 7)  
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| eCDEAN14  | 
 =22: Method for EAN 14  
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| eCDMod10Kor  | 
 =23: Method for Korean Postal Authority (Modulo 10 based)  
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| eCDMod10Pla  | 
 =24: Method for Planet (Modulo 10 based)  
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| eCDMod10ItlPst25  | 
 =25: Method for Italian Postal 2/5 (Modulo 10 based)  
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| eCDMod36  | 
 =26: Mod 36 (ISO/IES 7064) for DPD Barcode  
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| eCDMod16  | 
 =27: Mod 16 for Codabar Barcode  
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| eCDMod10Luhn  | 
 =28: Mod 10 with Luhn algorithm  
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| eCDVIN  | 
 =29: Method for VIN (North America)  
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