t $$\begin{aligned} {\it l}_u\,\widehat{\mathfrak{U}} &=& \widehat{T}\,{\it l}_u\widehat{\mathfrak{s}} +{\Sigma _{\alpha}}_{\bot}^{\rm matt}\wedge{\cal \L\/}_u\underline{\vartheta}^\alpha -\underline{\Sigma}^{\rm matt}_\alpha\,{\cal \L\/}_u u^\alpha\nonumber\\ &&-F_{\bot}\wedge{\it l}_u P +\underline{F}\wedge{\it l}_u M\nonumber\\ &&-T_{\bot}^\alpha\wedge{\cal \L\/}_u P_\alpha +\underline{T}^\alpha\wedge{\cal \L\/}_u M_\alpha\nonumber\\ &&-R_{\bot}^{\alpha\beta}\wedge{\cal \L\/}_u P_{\alpha\beta} +\underline{R}^{\alpha\beta}\wedge{\cal \L\/}_u M_{\alpha\beta}\