If the fuel lines do not drop below the top of the tank on the way to the motor then there is no requirement for either an anti-siphon valve or a shut off valve on an inboard powered boat.
The requirement for either an anti-siphon valve or shut off valve does not apply to boats with outboard...
UPS
Maybe UPS has been instructed by Canadian Customs to impose duties and levies on all goods they ship into Canada. If this is the case, you can't fault UPS. Why would goods of US origin be excluded from Canadian Customs in the first place?
Your motor sounds like an F115 or F150. Here is a tip for those that don't have the extractor.
Tilt the motor to the full up position. Remove the drain plug. No oil will come out.
Place a bucket under rubber guide tube. Holding the bucket in one hand and with the other hand trim the motor...
Very desireable to use a cover if you have mud/dirt daubers in your area. I have seen powerheads almost ruined when these critters built homes on various parts of the power head. A cover will prevent if not stop them from getting under the cowling.
Where did you get this from? It is completely untrue.
Think about it. Assume that one battery is twenty feet east of the rectifier/regulator. The other battery is twenty feet west of the R/R. Current is flowing out of the R/R to both batteries, with each battery getting an amount of current...