Si senor Carpenter , you have your FMM and YOU are set to proceed from ALGODONES to Pichilingue . I hope your companion also has obtained a similar document, or she will be staying in La Paz .
Save that big white page , it is your proof of payment. If you lose it you have to pay again when you cancel that FMM .

But there is a next step you must do at Pichilingue before you may buy the ticket and get on the ferry.
If you are travelling on ONE motorcycle, yours , or on two individual bikes you must at PICHILINGUE still obtain for each bike the Permiso para importacion temporal de vehiculos which we here on these sites constantly refer to as the TVIP ,or Temporary Vehicle Import Permit.
AND for each bike you will have to post the security deposit , Maximum value $400US , which will be refunded when you cancel the TVIP.

Decide which ferry sailing you want to use , go to the Pichilingue ferry terminal a day early , or at least 5 hours before on the day of the departure , enter the main gate and park the bike(s) .
Go into the blue and beige two story building to west of the parking lot area and seek out the office where the TVIP are issued . Sniff around and ask and you will find it easily. You may pay for the TVIP and the Security deposit with your credit card or US$ CASH. (Always have cash on hand in case you mess up the PIN and the cc is balked, I have fat fingered the PIN several times and so I know this )
With the TVIP in hand you may now go to the lower level in that building where you will find the counter for ticket sales and you may now buy passage on the ferry you wish to use.
If that ticket counter is still closed because it is considered too far in advance of the time when passengers are expected to show up you can get a ticket from the small offices of the individual ferry companies located along the inside of the ferry terminal property fence to the north of the main entry gate. These small offices are always staffed to deal with the truckers mainly.
Payment for the ticket maybe done in cash , by credit card and even a debit card may work, so try that .
At some point in the ticket buying you will be asked to ride your bikes across the weigh scale so that they may determine the total tonnage the ferry will be carrying. It will not affect the price of the ticket for the bike.
With ticket AND TVIP in hand you may now either asssume a waiting mode untill your ferry boarding is slated to commence, or if you are a day or two early you may leave to enjoy the local roads, spend nights in La Paz and then return at least 5 hours before the scheduled departure time.
Now, go and enjoy the trip south through Baja.

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http://advrider.com/index.php?thread....207964/page-5 then scroll down to post #93