Owners of contaminated land in Mexico share liability for the cleanup, and water titles no longer pass with the deed. What a buyer checks in SEMARNAT, PROFEPA, water and land use records.

Every Mexican company has one electronic folio in a national registry. How to search it, what comes back, what certificates cost and which records still need someone in Mexico.

Mexican counsel reviews a target's corporate books, labor, tax, permits and approvals. This guide sets out what that review leaves out and how investigators work alongside it before closing.

How to search Mexico's trademark records before entering the market, appointing a distributor or licensing a brand, how registration works, and the conflicts a clean search can miss.

The beach and the 20 meters of land behind it belong to the nation in Mexico. What a buyer of a beachfront home or hotel should check in the SEMARNAT concession, the fees and on site.

Mexico gives the exclusive right to a trademark to whoever registers it. What a buyer, investor or licensee should check at IMPI and INDAUTOR, and what the records cannot show.

In a Mexican fideicomiso the bank holds title and the beneficiary holds the rights. What a buyer, heir or owner should check with the trustee, the registry and the SRE, and how a lost trust is found.

Mexico keeps no public register of beneficial owners. What the law makes companies keep, what each public record shows, and how ownership is established in practice.

There is no national litigation search in Mexico. Which courts hear what, what each one publishes, and how a search that will stand up is done.

Mexican KYC runs on the INE voter credential, the CURP and the CLABE. What a foreign business can verify lawfully, what INE and the banks will not release, and when to escalate.