text: the loan has been paid off, ownership of the property is vested in the family under the terms of the Civil Code and it thus becomes inalienable and protected against seizure. 58. As for child care institutions, the Mexican Social Security Institute provides creche services. Insured working mothers have a right to such services during the working day for their children from the age of 43 days till the completion of their fourth year. In establishments employing more than fifty women, the employers are obliged to establish and maintain at their own expense a creche for the care, medical supervision, feeding and preschool education of the women's children. Women working in the service of the State have the benefit of creche services in the departments in which they are employed. 59. In view of the importance of making rational use of income, particularly for families with limited resources, campaigns of guidance are conducted encouraging the spending of the family income on priority items, such as those connected with the education and development of the children. The National Consumers' Institute plays an important role in this respect. 60. During the last few years great stress has been laid on family guidance with a view to making couples aware of the need to use the various procedures of family planning and birth control, which will contribute to more balanced population growth, while respecting to the full the parents' right to decide on the number and spacing of their children and the responsibility for them they have assumed as parents. 61. The General Population Act, promulgated in the Official Gazette of the Federation on 7 January 1977, and the regulations deriving from it, published on 17 November 1976, contain rules, on the carrying-out of family planning programmes through the education and public-health services, that will 
analysis: The text discusses various aspects of family life, including childcare, family planning, and guidance on income management. These topics are more closely related to social and demographic issues rather than economic development or natural resources.