o The condition name must be a string of up to 31 characters from the set A-Z, 0-9,_, and $. The first character in the string must be a letter from A-Z, and the last character can not be _ or $. o COB_condition_name, quoted strings, or external names must be legal VAX COBOL names. However, the CDDL compiler does not check for correct syntax. You must provide a correct value expression. o The values low_val and high_val can be fixed point numbers, floating point numbers, quoted strings, octal numbers, or hexadecimal numbers. o The compiler ignores commas, but you can use them to make value specifications easier to read.