IS Usage Rules

RULE ID:IS_FORM_1
DESCRIPTION:If any field on the IS form is populated, the LTOS or LSR form TOS field must be populated

RULE ID:IS_SERVICEDETAILS_ST_1
DESCRIPTION: ST is required when 2nd position TOS or LTOS = H

RULE ID:IS_SERVICEDETAILS_TNS_1
DESCRIPTION:TNS valid values are "N", a ten digit telephone number, or a fifteen character ranged telephone number