Construction Loan Note - CLN

What Does Construction Loan Note - CLN Mean?
A short-term obligation in the form of a note, used for the funding of construction projects such as housing developments. In most cases, the note issuers will repay the note obligation by issuing a longer term bond and using the proceeds from the bond to pay back the note.

Investopedia explains Construction Loan Note - CLN
This type of financing is most often seen at the municipal level: for example, a large city might use a construction loan note to finance a large housing project to meet the demands of its growing population.