  We recast the well known Israel-Darmois matching conditions for Locally
Rotationally Symmetric (LRS-II) spacetimes using the semitetrad 1+1+2 covariant
formalism. This demonstrates how the geometrical quantities including the
volume expansion, spacetime shear, acceleration and Weyl curvature of two
different spacetimes are related at a general matching surface inheriting the
symmetry, which can be timelike or spacelike. The approach is purely
geometrical and depends on matching the Gaussian curvature of 2-dimensional
sheets at the matching hypersurface. This also provides the constraints on the
thermodynamic quantities on each spacetime so that they can be matched smoothly
across the surface. As an example we regain the Santos boundary conditions and
model of a radiating star matched to a Vaidya exterior in general relativity.
