Building and Other Construction Workers Welfare Fund: administrative expenses capped at five percent of annual expenditures. Establishes the Building and Other Construction Workers Welfare Fund, funded by cess under section 100(1), Central Government grants and loans, and other sums; permits use to meet the Board's operational expenses, including salaries, allowances and other remuneration and authorised objects; and caps administrative expenses for salaries, allowances and related administrative costs at five per cent. of total annual expenses.