Merchant Reference Formats

For the merchant reference format, the following substitutions are available:

Table 5-3 Merchant Reference Formats

Component	Description	Example	Format
R	Use existing Merchant Reference	R
S	StoreID	SSSSSS	min 3, max 10 chars, left 0 filled
W	WorkStation id	WWWWWW	min 3, max 20 chars, left 0 filled
YY	Year	YY or YYYY	extracted from POSTimeStamp
MM	Month	MM	extracted from POSTimeStamp
DD	Day	DD	extracted from POSTimeStamp
hh	Hour	hh	extracted from POSTimeStamp
mm	Minute	mm	extracted from POSTimeStamp
ss	Second	ss	extracted from POSTimeStamp
T	Transaction number	TTTTTT	min 3, max 20 chars, left 0 filled
d	Transaction date	dddddddddd	must be 10 chars

The following special characters are also allowed:

• minus -
• underscore _
• period .

Example format:

R-dddddddddd-SSSSSS_WWWWWW.YYYYMMDD.hhmmss.TTTTTT.qq