Mapping Services Facility › Type Description and Formats › OBJECT IDENTIFIER Type › External Form—Input and Output

External Form—Input and Output

Any sequence of characters from the set 0123456789 and the period (.), is valid provided it does not begin or end with a period (.), contains no consecutive periods, and contains at least one period. Each sequence of decimal digits punctuated by a period (.), represents a sub-identifier in the series of sub-identifiers that comprise an object identifier value.