From the Collaborative Bond and Money Market Data Portal
Definition: As the name suggests, this is the reverse of the "Maple" distribution, which is issuance by foreign borrowers in CAD. "Reverse Maple" therefore is a name for a distribution of bonds, given to instruments issued by Canadian entities in any currency except Canadian dollars (CAD), in any market other than the Domestic Canadian ("Maple") market.
Data Model: In the CMDportal Collaborative Bond and Money Market Data Model, "Reverse Maple issuance" can be filtered for by setting the Issuer country field to Canada, and selecting all values in the Instrument currency field except CAD.
Effects on bond and money markets: There are a variety of reasons a Canadian issuer may choose to fund in currencies other than CAD, including: