Immigration - As introduced, requires a memorandum of understanding entered between a law enforcement agency and federal officials concerning enforcement of federal immigration laws to include a requirement that the law enforcement agency accept and honor any immigration detainer received from federal immigration authorities, including maintaining custody of the subject of an immigration detainer for 48 hours beyond the time when the subject would have otherwise been released to allow federal immigration authorities to take custody of the subject and notifying federal immigration authorities as soon as possible prior to releasing the subject. - Amends TCA Title 4; Title 7; Title 38 and Title 41.