The BLOCKSIZE attribute must be a multiple of the maximum record size (MAXRECSIZE) of the file. The BLOCKSIZE attribute must also be less than 65520 FRAMESIZE units.

The BLOCKSTRUCTURE attribute must be FIXED.

The EXTMODE attribute must be EBCDIC or ASCII.

The FILEORGANIZATION attribute must be NOTRESTRICTED.

The KIND attribute must be DISK or PACK.

The MAXRECSIZE attribute must be less than 255 characters (if UNITS=CHARACTERS), or less than or equal to 42 words (if UNITS=WORDS).

With the exception of the WRITE command, CANDE cannot process sequenced files containing more than 1,048,575 records, or data files containing more than 999,999 records.

The WRITE command does not recognize a file name that exceeds 11 nodes (excluding the usercode).

The sequence field must not be greater than eight characters. Files of type WIDE cannot be processed by CANDE. An attempt to do so, leads to the following message:

#NOT DONE. SEQUENCE FIELD TOO LARGE.