a large area of floating ice formed over a period of many years and consisting of pieces of ice driven together by wind, current, etc. Also called ice pack.
Mexico Car, Motorhome, Motorcycle Permit Regulations You need a Mexican car permit (Temporary Import Permit or TIP) to drive your vehicle in Mexico. Vehicle permits (TIPS) no longer issued to non-Motorhome vehicles with a GVWR greater than 7,700 pounds at N. Laredo, Reynosa, N Progreso, Roma & most other border crossings.
A: The vehicle import permit is good for up to six months (180 days). You can enter and exit Mexico as many times as you wish during the period your permit is valid. If you travel to Mexico without a valid permit your vehicle can be confiscated by Mexican authorities.: No. If you plan to drive a vehicle beyond the Mexico  Free Zone  you will need to purchase a Mexico Vehicle Import Permit.