Sentence:  The central issue in this case is whether the procedures followed respected the applicants' family life or constituted an interference with the exercise of the right to respect for family life which could not be justified as necessary in a democratic society. […] It is true that Article 8 contains no explicit procedural requirements, but this is not conclusive of the matter. The relevant considerations to be weighed by a local authority in reaching decisions on children in its care must <WSD>perforce</WSD> include the views and interests of the natural parents. 
Meaning of the word marked with <WSD> tags:  Necessarily.