xsd date fix for 12/31

gistfile1.txt

<xsl:variable name="myYear" select="year-from-date(current-date())"/>
        <xsl:choose>
          <xsl:when test="/env:Body/rout:ISO8583_0100/ISO8583_0100_Request/bit_013 = 1231">
            <top:transactionDate>
              <xsl:choose>
                <xsl:when test="concat(month-from-date(current-date()),day-from-date(current-date())) != 1231">
                  <xsl:variable name="fixYear" select="int($myYear - 1)"/>
                  <xsl:value-of select="concat(/env:Body/rout:ISO8583_0100/ISO8583_0100_Request/bit_013,$fixYear)"/>
                </xsl:when>
                <xsl:otherwise>
                  <xsl:value-of select="concat(/env:Body/rout:ISO8583_0100/ISO8583_0100_Request/bit_013,$myYear)"/>
                </xsl:otherwise>
              </xsl:choose>
            </top:transactionDate>
          </xsl:when>
          <xsl:otherwise>
            <top:transactionDate>
              <xsl:value-of select="concat(/env:Body/rout:ISO8583_0100/ISO8583_0100_Request/bit_013,$myYear)"/>
            </top:transactionDate>
          </xsl:otherwise>
        </xsl:choose>