SELECT tblReports.ReportID, tblAgency.AgencyName, tblReports.PeriodType, tblReports.PeriodEnded, tblReports.Completed
FROM tblAgency INNER JOIN tblReports ON tblAgency.AgencyID = tblReports.AgencyID
WHERE
(
(
[forms]![frmnavigation]![masterfilter] = 0
)
OR
(...