Try changing your selection formula to something like this (you'll have to click on the Formula button and edit the formula instead of just using the Select Expert):
(
{ORGANIZATION.ORG_TYPE in ["CIU", "NSU", "SIU"] or
{SAMPLE_DTL.PAR_CODE} = 244.00
) and
{ORGANIZATION.ORG_NAME} = {?Pm-ORGANIZATION.ORG_NAME} and
{SAMPLE.SAMPLE_START_DATETIME} >= {?Pm-?START_DATE} and
{SAMPLE.SAMPLE_START_DATETIME} <= {?Pm-?END_DATE}
Notice where I put the parentheses - this won't work without them!
-Dell